68806920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6301}}^1$

素因数の和:6335

約数の個数: 128

約数和(自身を含む): 254096640

約数和(自身を除く): 185289720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6301, 10920, 12602, 18903, 25204, 31505, 37806, 44107, 50408, 63010, 75612, 81913, 88214, 94515, 126020, 132321, 151224, 163826, 176428, 189030, 220535, 245739, 252040, 264642, 327652, 352856, 378060, 409565, 441070, 491478, 529284, 573391, 655304, 661605, 756120, 819130, 882140, 982956, 1058568, 1146782, 1228695, 1323210, 1638260, 1720173, 1764280, 1965912, 2293564, 2457390, 2646420, 2866955, 3276520, 3440346, 4587128, 4914780, 5292840, 5733910, 6880692, 8600865, 9829560, 11467820, 13761384, 17201730, 22935640, 34403460, 68806920]

約数ペア:

[(1, 68806920), (2, 34403460), (3, 22935640), (4, 17201730), (5, 13761384), (6, 11467820), (7, 9829560), (8, 8600865), (10, 6880692), (12, 5733910), (13, 5292840), (14, 4914780), (15, 4587128), (20, 3440346), (21, 3276520), (24, 2866955), (26, 2646420), (28, 2457390), (30, 2293564), (35, 1965912), (39, 1764280), (40, 1720173), (42, 1638260), (52, 1323210), (56, 1228695), (60, 1146782), (65, 1058568), (70, 982956), (78, 882140), (84, 819130), (91, 756120), (104, 661605), (105, 655304), (120, 573391), (130, 529284), (140, 491478), (156, 441070), (168, 409565), (182, 378060), (195, 352856), (210, 327652), (260, 264642), (273, 252040), (280, 245739), (312, 220535), (364, 189030), (390, 176428), (420, 163826), (455, 151224), (520, 132321), (546, 126020), (728, 94515), (780, 88214), (840, 81913), (910, 75612), (1092, 63010), (1365, 50408), (1560, 44107), (1820, 37806), (2184, 31505), (2730, 25204), (3640, 18903), (5460, 12602), (6301, 10920)]