64564740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{877}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 196549080

約数和(自身を除く): 131984340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 877, 1227, 1636, 1754, 2045, 2454, 2631, 3508, 3681, 4090, 4385, 4908, 5262, 6135, 7362, 7893, 8180, 8770, 10524, 12270, 13155, 14724, 15786, 17540, 18405, 24540, 26310, 31572, 36810, 39465, 52620, 73620, 78930, 157860, 358693, 717386, 1076079, 1434772, 1793465, 2152158, 3228237, 3586930, 4304316, 5380395, 6456474, 7173860, 10760790, 12912948, 16141185, 21521580, 32282370, 64564740]

約数ペア:

[(1, 64564740), (2, 32282370), (3, 21521580), (4, 16141185), (5, 12912948), (6, 10760790), (9, 7173860), (10, 6456474), (12, 5380395), (15, 4304316), (18, 3586930), (20, 3228237), (30, 2152158), (36, 1793465), (45, 1434772), (60, 1076079), (90, 717386), (180, 358693), (409, 157860), (818, 78930), (877, 73620), (1227, 52620), (1636, 39465), (1754, 36810), (2045, 31572), (2454, 26310), (2631, 24540), (3508, 18405), (3681, 17540), (4090, 15786), (4385, 14724), (4908, 13155), (5262, 12270), (6135, 10524), (7362, 8770), (7893, 8180)]