679380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 2090592

約数和(自身を除く): 1411212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 169, 195, 201, 260, 268, 335, 338, 390, 402, 507, 670, 676, 780, 804, 845, 871, 1005, 1014, 1340, 1690, 1742, 2010, 2028, 2535, 2613, 3380, 3484, 4020, 4355, 5070, 5226, 8710, 10140, 10452, 11323, 13065, 17420, 22646, 26130, 33969, 45292, 52260, 56615, 67938, 113230, 135876, 169845, 226460, 339690, 679380]

約数ペア:

[(1, 679380), (2, 339690), (3, 226460), (4, 169845), (5, 135876), (6, 113230), (10, 67938), (12, 56615), (13, 52260), (15, 45292), (20, 33969), (26, 26130), (30, 22646), (39, 17420), (52, 13065), (60, 11323), (65, 10452), (67, 10140), (78, 8710), (130, 5226), (134, 5070), (156, 4355), (169, 4020), (195, 3484), (201, 3380), (260, 2613), (268, 2535), (335, 2028), (338, 2010), (390, 1742), (402, 1690), (507, 1340), (670, 1014), (676, 1005), (780, 871), (804, 845)]