20148491625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 36139364352

約数和(自身を除く): 15990872727

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 115, 123, 125, 205, 227, 251, 345, 375, 575, 615, 681, 753, 943, 1025, 1135, 1255, 1725, 2829, 2875, 3075, 3405, 3765, 4715, 5125, 5221, 5675, 5773, 6275, 8625, 9307, 10291, 14145, 15375, 15663, 17025, 17319, 18825, 23575, 26105, 27921, 28375, 28865, 30873, 31375, 46535, 51455, 56977, 70725, 78315, 85125, 86595, 94125, 117875, 130525, 139605, 144325, 154365, 170931, 214061, 232675, 236693, 257275, 284885, 353625, 391575, 432975, 642183, 652625, 698025, 710079, 721625, 771825, 854655, 1070305, 1163375, 1183465, 1286375, 1310471, 1424425, 1957875, 2164875, 2336057, 3210915, 3490125, 3550395, 3859125, 3931413, 4273275, 5351525, 5917325, 6552355, 7008171, 7122125, 11680285, 16054575, 17751975, 19657065, 21366375, 26757625, 29586625, 32761775, 35040855, 53729311, 58401425, 80272875, 88759875, 98285325, 161187933, 163808875, 175204275, 268646555, 292007125, 491426625, 805939665, 876021375, 1343232775, 4029698325, 6716163875, 20148491625]

約数ペア:

[(1, 20148491625), (3, 6716163875), (5, 4029698325), (15, 1343232775), (23, 876021375), (25, 805939665), (41, 491426625), (69, 292007125), (75, 268646555), (115, 175204275), (123, 163808875), (125, 161187933), (205, 98285325), (227, 88759875), (251, 80272875), (345, 58401425), (375, 53729311), (575, 35040855), (615, 32761775), (681, 29586625), (753, 26757625), (943, 21366375), (1025, 19657065), (1135, 17751975), (1255, 16054575), (1725, 11680285), (2829, 7122125), (2875, 7008171), (3075, 6552355), (3405, 5917325), (3765, 5351525), (4715, 4273275), (5125, 3931413), (5221, 3859125), (5675, 3550395), (5773, 3490125), (6275, 3210915), (8625, 2336057), (9307, 2164875), (10291, 1957875), (14145, 1424425), (15375, 1310471), (15663, 1286375), (17025, 1183465), (17319, 1163375), (18825, 1070305), (23575, 854655), (26105, 771825), (27921, 721625), (28375, 710079), (28865, 698025), (30873, 652625), (31375, 642183), (46535, 432975), (51455, 391575), (56977, 353625), (70725, 284885), (78315, 257275), (85125, 236693), (86595, 232675), (94125, 214061), (117875, 170931), (130525, 154365), (139605, 144325)]