63807980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 144744432

約数和(自身を除く): 80936452

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 163, 185, 230, 326, 370, 460, 529, 652, 740, 815, 851, 1058, 1630, 1702, 2116, 2645, 3260, 3404, 3749, 4255, 5290, 6031, 7498, 8510, 10580, 12062, 14996, 17020, 18745, 19573, 24124, 30155, 37490, 39146, 60310, 74980, 78292, 86227, 97865, 120620, 138713, 172454, 195730, 277426, 344908, 391460, 431135, 554852, 693565, 862270, 1387130, 1724540, 2774260, 3190399, 6380798, 12761596, 15951995, 31903990, 63807980]

約数ペア:

[(1, 63807980), (2, 31903990), (4, 15951995), (5, 12761596), (10, 6380798), (20, 3190399), (23, 2774260), (37, 1724540), (46, 1387130), (74, 862270), (92, 693565), (115, 554852), (148, 431135), (163, 391460), (185, 344908), (230, 277426), (326, 195730), (370, 172454), (460, 138713), (529, 120620), (652, 97865), (740, 86227), (815, 78292), (851, 74980), (1058, 60310), (1630, 39146), (1702, 37490), (2116, 30155), (2645, 24124), (3260, 19573), (3404, 18745), (3749, 17020), (4255, 14996), (5290, 12062), (6031, 10580), (7498, 8510)]