65231880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1083

約数の個数: 128

約数和(自身を含む): 226713600

約数和(自身を除く): 161481720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 983, 1106, 1185, 1580, 1659, 1896, 1966, 2212, 2370, 2765, 2949, 3160, 3318, 3932, 4424, 4740, 4915, 5530, 5898, 6636, 6881, 7864, 8295, 9480, 9830, 11060, 11796, 13272, 13762, 14745, 16590, 19660, 20643, 22120, 23592, 27524, 29490, 33180, 34405, 39320, 41286, 55048, 58980, 66360, 68810, 77657, 82572, 103215, 117960, 137620, 155314, 165144, 206430, 232971, 275240, 310628, 388285, 412860, 465942, 543599, 621256, 776570, 825720, 931884, 1087198, 1164855, 1553140, 1630797, 1863768, 2174396, 2329710, 2717995, 3106280, 3261594, 4348792, 4659420, 5435990, 6523188, 8153985, 9318840, 10871980, 13046376, 16307970, 21743960, 32615940, 65231880]

約数ペア:

[(1, 65231880), (2, 32615940), (3, 21743960), (4, 16307970), (5, 13046376), (6, 10871980), (7, 9318840), (8, 8153985), (10, 6523188), (12, 5435990), (14, 4659420), (15, 4348792), (20, 3261594), (21, 3106280), (24, 2717995), (28, 2329710), (30, 2174396), (35, 1863768), (40, 1630797), (42, 1553140), (56, 1164855), (60, 1087198), (70, 931884), (79, 825720), (84, 776570), (105, 621256), (120, 543599), (140, 465942), (158, 412860), (168, 388285), (210, 310628), (237, 275240), (280, 232971), (316, 206430), (395, 165144), (420, 155314), (474, 137620), (553, 117960), (632, 103215), (790, 82572), (840, 77657), (948, 68810), (983, 66360), (1106, 58980), (1185, 55048), (1580, 41286), (1659, 39320), (1896, 34405), (1966, 33180), (2212, 29490), (2370, 27524), (2765, 23592), (2949, 22120), (3160, 20643), (3318, 19660), (3932, 16590), (4424, 14745), (4740, 13762), (4915, 13272), (5530, 11796), (5898, 11060), (6636, 9830), (6881, 9480), (7864, 8295)]