1581617440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44729}}^1$

素因数の和:44774

約数の個数: 96

約数和(自身を含む): 4260800880

約数和(自身を除く): 2679183440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4420, 7072, 8840, 17680, 35360, 44729, 89458, 178916, 223645, 357832, 447290, 581477, 715664, 760393, 894580, 1162954, 1431328, 1520786, 1789160, 2325908, 2907385, 3041572, 3578320, 3801965, 4651816, 5814770, 6083144, 7156640, 7603930, 9303632, 9885109, 11629540, 12166288, 15207860, 18607264, 19770218, 23259080, 24332576, 30415720, 39540436, 46518160, 49425545, 60831440, 79080872, 93036320, 98851090, 121662880, 158161744, 197702180, 316323488, 395404360, 790808720, 1581617440]

約数ペア:

[(1, 1581617440), (2, 790808720), (4, 395404360), (5, 316323488), (8, 197702180), (10, 158161744), (13, 121662880), (16, 98851090), (17, 93036320), (20, 79080872), (26, 60831440), (32, 49425545), (34, 46518160), (40, 39540436), (52, 30415720), (65, 24332576), (68, 23259080), (80, 19770218), (85, 18607264), (104, 15207860), (130, 12166288), (136, 11629540), (160, 9885109), (170, 9303632), (208, 7603930), (221, 7156640), (260, 6083144), (272, 5814770), (340, 4651816), (416, 3801965), (442, 3578320), (520, 3041572), (544, 2907385), (680, 2325908), (884, 1789160), (1040, 1520786), (1105, 1431328), (1360, 1162954), (1768, 894580), (2080, 760393), (2210, 715664), (2720, 581477), (3536, 447290), (4420, 357832), (7072, 223645), (8840, 178916), (17680, 89458), (35360, 44729)]