636797720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{7333}}^1$

素因数の和:7524

約数の個数: 64

約数和(自身を含む): 1552461120

約数和(自身を除く): 915663400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 835, 1336, 1670, 2171, 3340, 4342, 6680, 7333, 8684, 10855, 14666, 17368, 21710, 29332, 36665, 43420, 58664, 73330, 86840, 95329, 146660, 190658, 293320, 381316, 476645, 762632, 953290, 1224611, 1906580, 2449222, 3813160, 4898444, 6123055, 9796888, 12246110, 15919943, 24492220, 31839886, 48984440, 63679772, 79599715, 127359544, 159199430, 318398860, 636797720]

約数ペア:

[(1, 636797720), (2, 318398860), (4, 159199430), (5, 127359544), (8, 79599715), (10, 63679772), (13, 48984440), (20, 31839886), (26, 24492220), (40, 15919943), (52, 12246110), (65, 9796888), (104, 6123055), (130, 4898444), (167, 3813160), (260, 2449222), (334, 1906580), (520, 1224611), (668, 953290), (835, 762632), (1336, 476645), (1670, 381316), (2171, 293320), (3340, 190658), (4342, 146660), (6680, 95329), (7333, 86840), (8684, 73330), (10855, 58664), (14666, 43420), (17368, 36665), (21710, 29332)]