30165720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 99368640

約数和(自身を除く): 69202920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 317, 366, 390, 488, 520, 610, 634, 732, 780, 793, 915, 951, 1220, 1268, 1464, 1560, 1585, 1586, 1830, 1902, 2379, 2440, 2536, 3170, 3172, 3660, 3804, 3965, 4121, 4755, 4758, 6340, 6344, 7320, 7608, 7930, 8242, 9510, 9516, 11895, 12363, 12680, 15860, 16484, 19020, 19032, 19337, 20605, 23790, 24726, 31720, 32968, 38040, 38674, 41210, 47580, 49452, 58011, 61815, 77348, 82420, 95160, 96685, 98904, 116022, 123630, 154696, 164840, 193370, 232044, 247260, 251381, 290055, 386740, 464088, 494520, 502762, 580110, 754143, 773480, 1005524, 1160220, 1256905, 1508286, 2011048, 2320440, 2513810, 3016572, 3770715, 5027620, 6033144, 7541430, 10055240, 15082860, 30165720]

約数ペア:

[(1, 30165720), (2, 15082860), (3, 10055240), (4, 7541430), (5, 6033144), (6, 5027620), (8, 3770715), (10, 3016572), (12, 2513810), (13, 2320440), (15, 2011048), (20, 1508286), (24, 1256905), (26, 1160220), (30, 1005524), (39, 773480), (40, 754143), (52, 580110), (60, 502762), (61, 494520), (65, 464088), (78, 386740), (104, 290055), (120, 251381), (122, 247260), (130, 232044), (156, 193370), (183, 164840), (195, 154696), (244, 123630), (260, 116022), (305, 98904), (312, 96685), (317, 95160), (366, 82420), (390, 77348), (488, 61815), (520, 58011), (610, 49452), (634, 47580), (732, 41210), (780, 38674), (793, 38040), (915, 32968), (951, 31720), (1220, 24726), (1268, 23790), (1464, 20605), (1560, 19337), (1585, 19032), (1586, 19020), (1830, 16484), (1902, 15860), (2379, 12680), (2440, 12363), (2536, 11895), (3170, 9516), (3172, 9510), (3660, 8242), (3804, 7930), (3965, 7608), (4121, 7320), (4755, 6344), (4758, 6340)]