340565680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 240

約数和(自身を含む): 1022372064

約数和(自身を除く): 681806384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 41, 49, 52, 56, 65, 70, 80, 82, 91, 98, 104, 112, 130, 140, 163, 164, 182, 196, 205, 208, 245, 260, 280, 287, 326, 328, 364, 392, 410, 455, 490, 520, 533, 560, 574, 637, 652, 656, 728, 784, 815, 820, 910, 980, 1040, 1066, 1141, 1148, 1274, 1304, 1435, 1456, 1630, 1640, 1820, 1960, 2009, 2119, 2132, 2282, 2296, 2548, 2608, 2665, 2870, 3185, 3260, 3280, 3640, 3731, 3920, 4018, 4238, 4264, 4564, 4592, 5096, 5330, 5705, 5740, 6370, 6520, 6683, 7280, 7462, 7987, 8036, 8476, 8528, 9128, 10045, 10192, 10595, 10660, 11410, 11480, 12740, 13040, 13366, 14833, 14924, 15974, 16072, 16952, 18256, 18655, 20090, 21190, 21320, 22820, 22960, 25480, 26117, 26732, 29666, 29848, 31948, 32144, 33415, 33904, 37310, 39935, 40180, 42380, 42640, 45640, 46781, 50960, 52234, 53464, 59332, 59696, 63896, 66830, 74165, 74620, 79870, 80360, 84760, 86879, 91280, 93562, 103831, 104468, 106928, 118664, 127792, 130585, 133660, 148330, 149240, 159740, 160720, 169520, 173758, 187124, 207662, 208936, 233905, 237328, 261170, 267320, 296660, 298480, 319480, 327467, 347516, 374248, 415324, 417872, 434395, 467810, 519155, 522340, 534640, 593320, 608153, 638960, 654934, 695032, 748496, 830648, 868790, 935620, 1038310, 1044680, 1186640, 1216306, 1309868, 1390064, 1637335, 1661296, 1737580, 1871240, 2076620, 2089360, 2432612, 2619736, 3040765, 3274670, 3475160, 3742480, 4153240, 4257071, 4865224, 5239472, 6081530, 6549340, 6950320, 8306480, 8514142, 9730448, 12163060, 13098680, 17028284, 21285355, 24326120, 26197360, 34056568, 42570710, 48652240, 68113136, 85141420, 170282840, 340565680]

約数ペア:

[(1, 340565680), (2, 170282840), (4, 85141420), (5, 68113136), (7, 48652240), (8, 42570710), (10, 34056568), (13, 26197360), (14, 24326120), (16, 21285355), (20, 17028284), (26, 13098680), (28, 12163060), (35, 9730448), (40, 8514142), (41, 8306480), (49, 6950320), (52, 6549340), (56, 6081530), (65, 5239472), (70, 4865224), (80, 4257071), (82, 4153240), (91, 3742480), (98, 3475160), (104, 3274670), (112, 3040765), (130, 2619736), (140, 2432612), (163, 2089360), (164, 2076620), (182, 1871240), (196, 1737580), (205, 1661296), (208, 1637335), (245, 1390064), (260, 1309868), (280, 1216306), (287, 1186640), (326, 1044680), (328, 1038310), (364, 935620), (392, 868790), (410, 830648), (455, 748496), (490, 695032), (520, 654934), (533, 638960), (560, 608153), (574, 593320), (637, 534640), (652, 522340), (656, 519155), (728, 467810), (784, 434395), (815, 417872), (820, 415324), (910, 374248), (980, 347516), (1040, 327467), (1066, 319480), (1141, 298480), (1148, 296660), (1274, 267320), (1304, 261170), (1435, 237328), (1456, 233905), (1630, 208936), (1640, 207662), (1820, 187124), (1960, 173758), (2009, 169520), (2119, 160720), (2132, 159740), (2282, 149240), (2296, 148330), (2548, 133660), (2608, 130585), (2665, 127792), (2870, 118664), (3185, 106928), (3260, 104468), (3280, 103831), (3640, 93562), (3731, 91280), (3920, 86879), (4018, 84760), (4238, 80360), (4264, 79870), (4564, 74620), (4592, 74165), (5096, 66830), (5330, 63896), (5705, 59696), (5740, 59332), (6370, 53464), (6520, 52234), (6683, 50960), (7280, 46781), (7462, 45640), (7987, 42640), (8036, 42380), (8476, 40180), (8528, 39935), (9128, 37310), (10045, 33904), (10192, 33415), (10595, 32144), (10660, 31948), (11410, 29848), (11480, 29666), (12740, 26732), (13040, 26117), (13366, 25480), (14833, 22960), (14924, 22820), (15974, 21320), (16072, 21190), (16952, 20090), (18256, 18655)]