256888320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 320

約数和(自身を含む): 923940864

約数和(自身を除く): 667052544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 83, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 166, 186, 192, 195, 208, 240, 248, 249, 256, 260, 310, 312, 320, 332, 372, 384, 390, 403, 415, 416, 465, 480, 496, 498, 512, 520, 620, 624, 640, 664, 744, 768, 780, 806, 830, 832, 930, 960, 992, 996, 1040, 1079, 1209, 1240, 1245, 1248, 1280, 1328, 1488, 1536, 1560, 1612, 1660, 1664, 1860, 1920, 1984, 1992, 2015, 2080, 2158, 2418, 2480, 2490, 2496, 2560, 2573, 2656, 2976, 3120, 3224, 3237, 3320, 3328, 3720, 3840, 3968, 3984, 4030, 4160, 4316, 4836, 4960, 4980, 4992, 5146, 5312, 5395, 5952, 6045, 6240, 6448, 6474, 6640, 6656, 7440, 7680, 7719, 7936, 7968, 8060, 8320, 8632, 9672, 9920, 9960, 9984, 10292, 10624, 10790, 11904, 12090, 12480, 12865, 12896, 12948, 13280, 14880, 15438, 15872, 15936, 16120, 16185, 16640, 17264, 19344, 19840, 19920, 19968, 20584, 21248, 21580, 23808, 24180, 24960, 25730, 25792, 25896, 26560, 29760, 30876, 31872, 32240, 32370, 33280, 33449, 34528, 38595, 38688, 39680, 39840, 41168, 42496, 43160, 47616, 48360, 49920, 51460, 51584, 51792, 53120, 59520, 61752, 63744, 64480, 64740, 66898, 69056, 77190, 77376, 79360, 79680, 82336, 86320, 96720, 99840, 100347, 102920, 103168, 103584, 106240, 119040, 123504, 127488, 128960, 129480, 133796, 138112, 154380, 154752, 159360, 164672, 167245, 172640, 193440, 200694, 205840, 206336, 207168, 212480, 238080, 247008, 257920, 258960, 267592, 276224, 308760, 309504, 318720, 329344, 334490, 345280, 386880, 401388, 411680, 414336, 494016, 501735, 515840, 517920, 535184, 552448, 617520, 619008, 637440, 658688, 668980, 690560, 773760, 802776, 823360, 828672, 988032, 1003470, 1031680, 1035840, 1070368, 1235040, 1317376, 1337960, 1381120, 1547520, 1605552, 1646720, 1657344, 1976064, 2006940, 2071680, 2140736, 2470080, 2675920, 2762240, 3095040, 3211104, 3293440, 3952128, 4013880, 4143360, 4281472, 4940160, 5351840, 6422208, 6586880, 8027760, 8286720, 8562944, 9880320, 10703680, 12844416, 16055520, 17125888, 19760640, 21407360, 25688832, 32111040, 42814720, 51377664, 64222080, 85629440, 128444160, 256888320]

約数ペア:

[(1, 256888320), (2, 128444160), (3, 85629440), (4, 64222080), (5, 51377664), (6, 42814720), (8, 32111040), (10, 25688832), (12, 21407360), (13, 19760640), (15, 17125888), (16, 16055520), (20, 12844416), (24, 10703680), (26, 9880320), (30, 8562944), (31, 8286720), (32, 8027760), (39, 6586880), (40, 6422208), (48, 5351840), (52, 4940160), (60, 4281472), (62, 4143360), (64, 4013880), (65, 3952128), (78, 3293440), (80, 3211104), (83, 3095040), (93, 2762240), (96, 2675920), (104, 2470080), (120, 2140736), (124, 2071680), (128, 2006940), (130, 1976064), (155, 1657344), (156, 1646720), (160, 1605552), (166, 1547520), (186, 1381120), (192, 1337960), (195, 1317376), (208, 1235040), (240, 1070368), (248, 1035840), (249, 1031680), (256, 1003470), (260, 988032), (310, 828672), (312, 823360), (320, 802776), (332, 773760), (372, 690560), (384, 668980), (390, 658688), (403, 637440), (415, 619008), (416, 617520), (465, 552448), (480, 535184), (496, 517920), (498, 515840), (512, 501735), (520, 494016), (620, 414336), (624, 411680), (640, 401388), (664, 386880), (744, 345280), (768, 334490), (780, 329344), (806, 318720), (830, 309504), (832, 308760), (930, 276224), (960, 267592), (992, 258960), (996, 257920), (1040, 247008), (1079, 238080), (1209, 212480), (1240, 207168), (1245, 206336), (1248, 205840), (1280, 200694), (1328, 193440), (1488, 172640), (1536, 167245), (1560, 164672), (1612, 159360), (1660, 154752), (1664, 154380), (1860, 138112), (1920, 133796), (1984, 129480), (1992, 128960), (2015, 127488), (2080, 123504), (2158, 119040), (2418, 106240), (2480, 103584), (2490, 103168), (2496, 102920), (2560, 100347), (2573, 99840), (2656, 96720), (2976, 86320), (3120, 82336), (3224, 79680), (3237, 79360), (3320, 77376), (3328, 77190), (3720, 69056), (3840, 66898), (3968, 64740), (3984, 64480), (4030, 63744), (4160, 61752), (4316, 59520), (4836, 53120), (4960, 51792), (4980, 51584), (4992, 51460), (5146, 49920), (5312, 48360), (5395, 47616), (5952, 43160), (6045, 42496), (6240, 41168), (6448, 39840), (6474, 39680), (6640, 38688), (6656, 38595), (7440, 34528), (7680, 33449), (7719, 33280), (7936, 32370), (7968, 32240), (8060, 31872), (8320, 30876), (8632, 29760), (9672, 26560), (9920, 25896), (9960, 25792), (9984, 25730), (10292, 24960), (10624, 24180), (10790, 23808), (11904, 21580), (12090, 21248), (12480, 20584), (12865, 19968), (12896, 19920), (12948, 19840), (13280, 19344), (14880, 17264), (15438, 16640), (15872, 16185), (15936, 16120)]