68611660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 177430176

約数和(自身を除く): 108818516

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 43, 52, 65, 68, 76, 85, 86, 95, 130, 170, 172, 190, 215, 221, 247, 260, 323, 340, 361, 380, 430, 442, 494, 559, 646, 722, 731, 817, 860, 884, 988, 1105, 1118, 1235, 1292, 1444, 1462, 1615, 1634, 1805, 2210, 2236, 2470, 2795, 2924, 3230, 3268, 3610, 3655, 4085, 4199, 4420, 4693, 4940, 5590, 6137, 6460, 7220, 7310, 8170, 8398, 9386, 9503, 10621, 11180, 12274, 13889, 14620, 15523, 16340, 16796, 18772, 19006, 20995, 21242, 23465, 24548, 27778, 30685, 31046, 38012, 41990, 42484, 46930, 47515, 53105, 55556, 61370, 62092, 69445, 77615, 79781, 83980, 93860, 95030, 106210, 122740, 138890, 155230, 159562, 180557, 190060, 201799, 212420, 263891, 277780, 310460, 319124, 361114, 398905, 403598, 527782, 722228, 797810, 807196, 902785, 1008995, 1055564, 1319455, 1595620, 1805570, 2017990, 2638910, 3430583, 3611140, 4035980, 5277820, 6861166, 13722332, 17152915, 34305830, 68611660]

約数ペア:

[(1, 68611660), (2, 34305830), (4, 17152915), (5, 13722332), (10, 6861166), (13, 5277820), (17, 4035980), (19, 3611140), (20, 3430583), (26, 2638910), (34, 2017990), (38, 1805570), (43, 1595620), (52, 1319455), (65, 1055564), (68, 1008995), (76, 902785), (85, 807196), (86, 797810), (95, 722228), (130, 527782), (170, 403598), (172, 398905), (190, 361114), (215, 319124), (221, 310460), (247, 277780), (260, 263891), (323, 212420), (340, 201799), (361, 190060), (380, 180557), (430, 159562), (442, 155230), (494, 138890), (559, 122740), (646, 106210), (722, 95030), (731, 93860), (817, 83980), (860, 79781), (884, 77615), (988, 69445), (1105, 62092), (1118, 61370), (1235, 55556), (1292, 53105), (1444, 47515), (1462, 46930), (1615, 42484), (1634, 41990), (1805, 38012), (2210, 31046), (2236, 30685), (2470, 27778), (2795, 24548), (2924, 23465), (3230, 21242), (3268, 20995), (3610, 19006), (3655, 18772), (4085, 16796), (4199, 16340), (4420, 15523), (4693, 14620), (4940, 13889), (5590, 12274), (6137, 11180), (6460, 10621), (7220, 9503), (7310, 9386), (8170, 8398)]