64667820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2047

約数の個数: 96

約数和(自身を含む): 209664000

約数和(自身を除く): 144996180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 1949, 2212, 2370, 2765, 3318, 3898, 4740, 5530, 5847, 6636, 7796, 8295, 9745, 11060, 11694, 13643, 16590, 19490, 23388, 27286, 29235, 33180, 38980, 40929, 54572, 58470, 68215, 81858, 116940, 136430, 153971, 163716, 204645, 272860, 307942, 409290, 461913, 615884, 769855, 818580, 923826, 1077797, 1539710, 1847652, 2155594, 2309565, 3079420, 3233391, 4311188, 4619130, 5388985, 6466782, 9238260, 10777970, 12933564, 16166955, 21555940, 32333910, 64667820]

約数ペア:

[(1, 64667820), (2, 32333910), (3, 21555940), (4, 16166955), (5, 12933564), (6, 10777970), (7, 9238260), (10, 6466782), (12, 5388985), (14, 4619130), (15, 4311188), (20, 3233391), (21, 3079420), (28, 2309565), (30, 2155594), (35, 1847652), (42, 1539710), (60, 1077797), (70, 923826), (79, 818580), (84, 769855), (105, 615884), (140, 461913), (158, 409290), (210, 307942), (237, 272860), (316, 204645), (395, 163716), (420, 153971), (474, 136430), (553, 116940), (790, 81858), (948, 68215), (1106, 58470), (1185, 54572), (1580, 40929), (1659, 38980), (1949, 33180), (2212, 29235), (2370, 27286), (2765, 23388), (3318, 19490), (3898, 16590), (4740, 13643), (5530, 11694), (5847, 11060), (6636, 9745), (7796, 8295)]