1215205060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{6871}}^1$

素因数の和:7156

約数の個数: 48

約数和(自身を含む): 2632250880

約数和(自身を除く): 1417045820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 239, 370, 478, 740, 956, 1195, 2390, 4780, 6871, 8843, 13742, 17686, 27484, 34355, 35372, 44215, 68710, 88430, 137420, 176860, 254227, 508454, 1016908, 1271135, 1642169, 2542270, 3284338, 5084540, 6568676, 8210845, 16421690, 32843380, 60760253, 121520506, 243041012, 303801265, 607602530, 1215205060]

約数ペア:

[(1, 1215205060), (2, 607602530), (4, 303801265), (5, 243041012), (10, 121520506), (20, 60760253), (37, 32843380), (74, 16421690), (148, 8210845), (185, 6568676), (239, 5084540), (370, 3284338), (478, 2542270), (740, 1642169), (956, 1271135), (1195, 1016908), (2390, 508454), (4780, 254227), (6871, 176860), (8843, 137420), (13742, 88430), (17686, 68710), (27484, 44215), (34355, 35372)]