488391540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89449}}^1$

素因数の和:89481

約数の個数: 96

約数和(自身を含む): 1683091200

約数和(自身を除く): 1194699660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 89449, 178898, 268347, 357796, 447245, 536694, 626143, 894490, 1073388, 1162837, 1252286, 1341735, 1788980, 1878429, 2325674, 2504572, 2683470, 3130715, 3488511, 3756858, 4651348, 5366940, 5814185, 6261430, 6977022, 7513716, 8139859, 9392145, 11628370, 12522860, 13954044, 16279718, 17442555, 18784290, 23256740, 24419577, 32559436, 34885110, 37568580, 40699295, 48839154, 69770220, 81398590, 97678308, 122097885, 162797180, 244195770, 488391540]

約数ペア:

[(1, 488391540), (2, 244195770), (3, 162797180), (4, 122097885), (5, 97678308), (6, 81398590), (7, 69770220), (10, 48839154), (12, 40699295), (13, 37568580), (14, 34885110), (15, 32559436), (20, 24419577), (21, 23256740), (26, 18784290), (28, 17442555), (30, 16279718), (35, 13954044), (39, 12522860), (42, 11628370), (52, 9392145), (60, 8139859), (65, 7513716), (70, 6977022), (78, 6261430), (84, 5814185), (91, 5366940), (105, 4651348), (130, 3756858), (140, 3488511), (156, 3130715), (182, 2683470), (195, 2504572), (210, 2325674), (260, 1878429), (273, 1788980), (364, 1341735), (390, 1252286), (420, 1162837), (455, 1073388), (546, 894490), (780, 626143), (910, 536694), (1092, 447245), (1365, 357796), (1820, 268347), (2730, 178898), (5460, 89449)]