256507680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 384

約数和(自身を含む): 984566016

約数和(自身を除く): 728058336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 37, 39, 40, 44, 48, 52, 55, 60, 65, 66, 74, 78, 80, 88, 96, 101, 104, 110, 111, 120, 130, 132, 143, 148, 156, 160, 165, 176, 185, 195, 202, 208, 220, 222, 240, 260, 264, 286, 296, 303, 312, 330, 352, 370, 390, 404, 407, 416, 429, 440, 444, 480, 481, 505, 520, 528, 555, 572, 592, 606, 624, 660, 715, 740, 780, 808, 814, 858, 880, 888, 962, 1010, 1040, 1056, 1110, 1111, 1144, 1184, 1212, 1221, 1248, 1313, 1320, 1430, 1443, 1480, 1515, 1560, 1616, 1628, 1716, 1760, 1776, 1924, 2020, 2035, 2080, 2145, 2220, 2222, 2288, 2405, 2424, 2442, 2626, 2640, 2860, 2886, 2960, 3030, 3120, 3232, 3256, 3333, 3432, 3552, 3737, 3848, 3939, 4040, 4070, 4290, 4440, 4444, 4576, 4810, 4848, 4884, 5252, 5280, 5291, 5555, 5720, 5772, 5920, 6060, 6105, 6240, 6512, 6565, 6666, 6864, 7215, 7474, 7696, 7878, 8080, 8140, 8580, 8880, 8888, 9620, 9696, 9768, 10504, 10582, 11110, 11211, 11440, 11544, 12120, 12210, 13024, 13130, 13332, 13728, 14430, 14443, 14948, 15392, 15756, 15873, 16160, 16280, 16665, 17160, 17760, 17776, 18685, 19240, 19536, 19695, 21008, 21164, 22220, 22422, 22880, 23088, 24240, 24420, 26260, 26455, 26664, 28860, 28886, 29896, 31512, 31746, 32560, 33330, 34320, 35552, 37370, 38480, 39072, 39390, 41107, 42016, 42328, 43329, 44440, 44844, 46176, 48480, 48581, 48840, 52520, 52910, 53328, 56055, 57720, 57772, 59792, 63024, 63492, 65120, 66660, 68640, 72215, 74740, 76960, 78780, 79365, 82214, 84656, 86658, 88880, 89688, 97162, 97680, 105040, 105820, 106656, 112110, 115440, 115544, 119584, 123321, 126048, 126984, 133320, 144430, 145743, 149480, 157560, 158730, 164428, 169312, 173316, 177760, 179376, 194324, 195360, 205535, 210080, 211640, 216645, 224220, 230880, 231088, 242905, 246642, 253968, 266640, 288860, 291486, 298960, 315120, 317460, 328856, 346632, 358752, 388648, 411070, 423280, 433290, 448440, 462176, 485810, 493284, 507936, 533280, 534391, 577720, 582972, 597920, 616605, 630240, 634920, 657712, 693264, 728715, 777296, 822140, 846560, 866580, 896880, 971620, 986568, 1068782, 1155440, 1165944, 1233210, 1269840, 1315424, 1386528, 1457430, 1554592, 1603173, 1644280, 1733160, 1793760, 1943240, 1973136, 2137564, 2310880, 2331888, 2466420, 2539680, 2671955, 2914860, 3206346, 3288560, 3466320, 3886480, 3946272, 4275128, 4663776, 4932840, 5343910, 5829720, 6412692, 6577120, 6932640, 7772960, 8015865, 8550256, 9865680, 10687820, 11659440, 12825384, 16031730, 17100512, 19731360, 21375640, 23318880, 25650768, 32063460, 42751280, 51301536, 64126920, 85502560, 128253840, 256507680]

約数ペア:

[(1, 256507680), (2, 128253840), (3, 85502560), (4, 64126920), (5, 51301536), (6, 42751280), (8, 32063460), (10, 25650768), (11, 23318880), (12, 21375640), (13, 19731360), (15, 17100512), (16, 16031730), (20, 12825384), (22, 11659440), (24, 10687820), (26, 9865680), (30, 8550256), (32, 8015865), (33, 7772960), (37, 6932640), (39, 6577120), (40, 6412692), (44, 5829720), (48, 5343910), (52, 4932840), (55, 4663776), (60, 4275128), (65, 3946272), (66, 3886480), (74, 3466320), (78, 3288560), (80, 3206346), (88, 2914860), (96, 2671955), (101, 2539680), (104, 2466420), (110, 2331888), (111, 2310880), (120, 2137564), (130, 1973136), (132, 1943240), (143, 1793760), (148, 1733160), (156, 1644280), (160, 1603173), (165, 1554592), (176, 1457430), (185, 1386528), (195, 1315424), (202, 1269840), (208, 1233210), (220, 1165944), (222, 1155440), (240, 1068782), (260, 986568), (264, 971620), (286, 896880), (296, 866580), (303, 846560), (312, 822140), (330, 777296), (352, 728715), (370, 693264), (390, 657712), (404, 634920), (407, 630240), (416, 616605), (429, 597920), (440, 582972), (444, 577720), (480, 534391), (481, 533280), (505, 507936), (520, 493284), (528, 485810), (555, 462176), (572, 448440), (592, 433290), (606, 423280), (624, 411070), (660, 388648), (715, 358752), (740, 346632), (780, 328856), (808, 317460), (814, 315120), (858, 298960), (880, 291486), (888, 288860), (962, 266640), (1010, 253968), (1040, 246642), (1056, 242905), (1110, 231088), (1111, 230880), (1144, 224220), (1184, 216645), (1212, 211640), (1221, 210080), (1248, 205535), (1313, 195360), (1320, 194324), (1430, 179376), (1443, 177760), (1480, 173316), (1515, 169312), (1560, 164428), (1616, 158730), (1628, 157560), (1716, 149480), (1760, 145743), (1776, 144430), (1924, 133320), (2020, 126984), (2035, 126048), (2080, 123321), (2145, 119584), (2220, 115544), (2222, 115440), (2288, 112110), (2405, 106656), (2424, 105820), (2442, 105040), (2626, 97680), (2640, 97162), (2860, 89688), (2886, 88880), (2960, 86658), (3030, 84656), (3120, 82214), (3232, 79365), (3256, 78780), (3333, 76960), (3432, 74740), (3552, 72215), (3737, 68640), (3848, 66660), (3939, 65120), (4040, 63492), (4070, 63024), (4290, 59792), (4440, 57772), (4444, 57720), (4576, 56055), (4810, 53328), (4848, 52910), (4884, 52520), (5252, 48840), (5280, 48581), (5291, 48480), (5555, 46176), (5720, 44844), (5772, 44440), (5920, 43329), (6060, 42328), (6105, 42016), (6240, 41107), (6512, 39390), (6565, 39072), (6666, 38480), (6864, 37370), (7215, 35552), (7474, 34320), (7696, 33330), (7878, 32560), (8080, 31746), (8140, 31512), (8580, 29896), (8880, 28886), (8888, 28860), (9620, 26664), (9696, 26455), (9768, 26260), (10504, 24420), (10582, 24240), (11110, 23088), (11211, 22880), (11440, 22422), (11544, 22220), (12120, 21164), (12210, 21008), (13024, 19695), (13130, 19536), (13332, 19240), (13728, 18685), (14430, 17776), (14443, 17760), (14948, 17160), (15392, 16665), (15756, 16280), (15873, 16160)]