78546540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 226759680

約数和(自身を除く): 148213140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 79, 146, 158, 219, 227, 237, 292, 316, 365, 395, 438, 454, 474, 681, 730, 790, 876, 908, 948, 1095, 1135, 1185, 1362, 1460, 1580, 2190, 2270, 2370, 2724, 3405, 4380, 4540, 4740, 5767, 6810, 11534, 13620, 16571, 17301, 17933, 23068, 28835, 33142, 34602, 35866, 49713, 53799, 57670, 66284, 69204, 71732, 82855, 86505, 89665, 99426, 107598, 115340, 165710, 173010, 179330, 198852, 215196, 248565, 268995, 331420, 346020, 358660, 497130, 537990, 994260, 1075980, 1309109, 2618218, 3927327, 5236436, 6545545, 7854654, 13091090, 15709308, 19636635, 26182180, 39273270, 78546540]

約数ペア:

[(1, 78546540), (2, 39273270), (3, 26182180), (4, 19636635), (5, 15709308), (6, 13091090), (10, 7854654), (12, 6545545), (15, 5236436), (20, 3927327), (30, 2618218), (60, 1309109), (73, 1075980), (79, 994260), (146, 537990), (158, 497130), (219, 358660), (227, 346020), (237, 331420), (292, 268995), (316, 248565), (365, 215196), (395, 198852), (438, 179330), (454, 173010), (474, 165710), (681, 115340), (730, 107598), (790, 99426), (876, 89665), (908, 86505), (948, 82855), (1095, 71732), (1135, 69204), (1185, 66284), (1362, 57670), (1460, 53799), (1580, 49713), (2190, 35866), (2270, 34602), (2370, 33142), (2724, 28835), (3405, 23068), (4380, 17933), (4540, 17301), (4740, 16571), (5767, 13620), (6810, 11534)]