31485090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 98058240

約数和(自身を除く): 66573150

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 607, 665, 741, 798, 910, 1214, 1235, 1330, 1365, 1482, 1729, 1821, 1995, 2470, 2730, 3035, 3458, 3642, 3705, 3990, 4249, 5187, 6070, 7410, 7891, 8498, 8645, 9105, 10374, 11533, 12747, 15782, 17290, 18210, 21245, 23066, 23673, 25494, 25935, 34599, 39455, 42490, 47346, 51870, 55237, 57665, 63735, 69198, 78910, 80731, 110474, 115330, 118365, 127470, 149929, 161462, 165711, 172995, 236730, 242193, 276185, 299858, 331422, 345990, 403655, 449787, 484386, 552370, 749645, 807310, 828555, 899574, 1049503, 1210965, 1499290, 1657110, 2099006, 2248935, 2421930, 3148509, 4497870, 5247515, 6297018, 10495030, 15742545, 31485090]

約数ペア:

[(1, 31485090), (2, 15742545), (3, 10495030), (5, 6297018), (6, 5247515), (7, 4497870), (10, 3148509), (13, 2421930), (14, 2248935), (15, 2099006), (19, 1657110), (21, 1499290), (26, 1210965), (30, 1049503), (35, 899574), (38, 828555), (39, 807310), (42, 749645), (57, 552370), (65, 484386), (70, 449787), (78, 403655), (91, 345990), (95, 331422), (105, 299858), (114, 276185), (130, 242193), (133, 236730), (182, 172995), (190, 165711), (195, 161462), (210, 149929), (247, 127470), (266, 118365), (273, 115330), (285, 110474), (390, 80731), (399, 78910), (455, 69198), (494, 63735), (546, 57665), (570, 55237), (607, 51870), (665, 47346), (741, 42490), (798, 39455), (910, 34599), (1214, 25935), (1235, 25494), (1330, 23673), (1365, 23066), (1482, 21245), (1729, 18210), (1821, 17290), (1995, 15782), (2470, 12747), (2730, 11533), (3035, 10374), (3458, 9105), (3642, 8645), (3705, 8498), (3990, 7891), (4249, 7410), (5187, 6070)]