1917088640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 256

約数和(自身を含む): 5203077120

約数和(自身を除く): 3285988480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 47, 64, 68, 80, 85, 92, 94, 115, 128, 136, 160, 163, 170, 184, 188, 230, 235, 272, 320, 326, 340, 368, 376, 391, 460, 470, 544, 640, 652, 680, 736, 752, 782, 799, 815, 920, 940, 1081, 1088, 1304, 1360, 1472, 1504, 1564, 1598, 1630, 1840, 1880, 1955, 2162, 2176, 2608, 2720, 2771, 2944, 3008, 3128, 3196, 3260, 3680, 3749, 3760, 3910, 3995, 4324, 5216, 5405, 5440, 5542, 6016, 6256, 6392, 6520, 7360, 7498, 7520, 7661, 7820, 7990, 8648, 10432, 10810, 10880, 11084, 12512, 12784, 13040, 13855, 14720, 14996, 15040, 15322, 15640, 15980, 17296, 18377, 18745, 20864, 21620, 22168, 25024, 25568, 26080, 27710, 29992, 30080, 30644, 31280, 31960, 34592, 36754, 37490, 38305, 43240, 44336, 50048, 51136, 52160, 55420, 59984, 61288, 62560, 63733, 63920, 69184, 73508, 74980, 76610, 86480, 88672, 91885, 102272, 104320, 110840, 119968, 122576, 125120, 127466, 127840, 130237, 138368, 147016, 149960, 153220, 172960, 176203, 177344, 183770, 221680, 239936, 245152, 250240, 254932, 255680, 260474, 294032, 299920, 306440, 318665, 345920, 352406, 354688, 367540, 443360, 479872, 490304, 509864, 511360, 520948, 588064, 599840, 612880, 637330, 651185, 691840, 704812, 735080, 881015, 886720, 980608, 1019728, 1041896, 1176128, 1199680, 1225760, 1274660, 1302370, 1409624, 1470160, 1762030, 1773440, 2039456, 2083792, 2352256, 2399360, 2451520, 2549320, 2604740, 2819248, 2940320, 2995451, 3524060, 4078912, 4167584, 4903040, 5098640, 5209480, 5638496, 5880640, 5990902, 7048120, 8157824, 8335168, 10197280, 10418960, 11276992, 11761280, 11981804, 14096240, 14977255, 16670336, 20394560, 20837920, 22553984, 23963608, 28192480, 29954510, 40789120, 41675840, 47927216, 56384960, 59909020, 83351680, 95854432, 112769920, 119818040, 191708864, 239636080, 383417728, 479272160, 958544320, 1917088640]

約数ペア:

[(1, 1917088640), (2, 958544320), (4, 479272160), (5, 383417728), (8, 239636080), (10, 191708864), (16, 119818040), (17, 112769920), (20, 95854432), (23, 83351680), (32, 59909020), (34, 56384960), (40, 47927216), (46, 41675840), (47, 40789120), (64, 29954510), (68, 28192480), (80, 23963608), (85, 22553984), (92, 20837920), (94, 20394560), (115, 16670336), (128, 14977255), (136, 14096240), (160, 11981804), (163, 11761280), (170, 11276992), (184, 10418960), (188, 10197280), (230, 8335168), (235, 8157824), (272, 7048120), (320, 5990902), (326, 5880640), (340, 5638496), (368, 5209480), (376, 5098640), (391, 4903040), (460, 4167584), (470, 4078912), (544, 3524060), (640, 2995451), (652, 2940320), (680, 2819248), (736, 2604740), (752, 2549320), (782, 2451520), (799, 2399360), (815, 2352256), (920, 2083792), (940, 2039456), (1081, 1773440), (1088, 1762030), (1304, 1470160), (1360, 1409624), (1472, 1302370), (1504, 1274660), (1564, 1225760), (1598, 1199680), (1630, 1176128), (1840, 1041896), (1880, 1019728), (1955, 980608), (2162, 886720), (2176, 881015), (2608, 735080), (2720, 704812), (2771, 691840), (2944, 651185), (3008, 637330), (3128, 612880), (3196, 599840), (3260, 588064), (3680, 520948), (3749, 511360), (3760, 509864), (3910, 490304), (3995, 479872), (4324, 443360), (5216, 367540), (5405, 354688), (5440, 352406), (5542, 345920), (6016, 318665), (6256, 306440), (6392, 299920), (6520, 294032), (7360, 260474), (7498, 255680), (7520, 254932), (7661, 250240), (7820, 245152), (7990, 239936), (8648, 221680), (10432, 183770), (10810, 177344), (10880, 176203), (11084, 172960), (12512, 153220), (12784, 149960), (13040, 147016), (13855, 138368), (14720, 130237), (14996, 127840), (15040, 127466), (15322, 125120), (15640, 122576), (15980, 119968), (17296, 110840), (18377, 104320), (18745, 102272), (20864, 91885), (21620, 88672), (22168, 86480), (25024, 76610), (25568, 74980), (26080, 73508), (27710, 69184), (29992, 63920), (30080, 63733), (30644, 62560), (31280, 61288), (31960, 59984), (34592, 55420), (36754, 52160), (37490, 51136), (38305, 50048), (43240, 44336)]