81689160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1331

約数の個数: 128

約数和(自身を含む): 283852800

約数和(自身を除く): 202163640

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, 1106, 1185, 1231, 1580, 1659, 1896, 2212, 2370, 2462, 2765, 3160, 3318, 3693, 4424, 4740, 4924, 5530, 6155, 6636, 7386, 8295, 8617, 9480, 9848, 11060, 12310, 13272, 14772, 16590, 17234, 18465, 22120, 24620, 25851, 29544, 33180, 34468, 36930, 43085, 49240, 51702, 66360, 68936, 73860, 86170, 97249, 103404, 129255, 147720, 172340, 194498, 206808, 258510, 291747, 344680, 388996, 486245, 517020, 583494, 680743, 777992, 972490, 1034040, 1166988, 1361486, 1458735, 1944980, 2042229, 2333976, 2722972, 2917470, 3403715, 3889960, 4084458, 5445944, 5834940, 6807430, 8168916, 10211145, 11669880, 13614860, 16337832, 20422290, 27229720, 40844580, 81689160]

約数ペア:

[(1, 81689160), (2, 40844580), (3, 27229720), (4, 20422290), (5, 16337832), (6, 13614860), (7, 11669880), (8, 10211145), (10, 8168916), (12, 6807430), (14, 5834940), (15, 5445944), (20, 4084458), (21, 3889960), (24, 3403715), (28, 2917470), (30, 2722972), (35, 2333976), (40, 2042229), (42, 1944980), (56, 1458735), (60, 1361486), (70, 1166988), (79, 1034040), (84, 972490), (105, 777992), (120, 680743), (140, 583494), (158, 517020), (168, 486245), (210, 388996), (237, 344680), (280, 291747), (316, 258510), (395, 206808), (420, 194498), (474, 172340), (553, 147720), (632, 129255), (790, 103404), (840, 97249), (948, 86170), (1106, 73860), (1185, 68936), (1231, 66360), (1580, 51702), (1659, 49240), (1896, 43085), (2212, 36930), (2370, 34468), (2462, 33180), (2765, 29544), (3160, 25851), (3318, 24620), (3693, 22120), (4424, 18465), (4740, 17234), (4924, 16590), (5530, 14772), (6155, 13272), (6636, 12310), (7386, 11060), (8295, 9848), (8617, 9480)]