15661519220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1\times {\mathrm{6397}}^1$

素因数の和:7320

約数の個数: 48

約数和(自身を含む): 33140206848

約数和(自身を除く): 17478687628

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 751, 815, 1502, 1630, 3004, 3260, 3755, 6397, 7510, 12794, 15020, 25588, 31985, 63970, 122413, 127940, 244826, 489652, 612065, 1042711, 1224130, 2085422, 2448260, 4170844, 4804147, 5213555, 9608294, 10427110, 19216588, 20854220, 24020735, 48041470, 96082940, 783075961, 1566151922, 3132303844, 3915379805, 7830759610, 15661519220]

約数ペア:

[(1, 15661519220), (2, 7830759610), (4, 3915379805), (5, 3132303844), (10, 1566151922), (20, 783075961), (163, 96082940), (326, 48041470), (652, 24020735), (751, 20854220), (815, 19216588), (1502, 10427110), (1630, 9608294), (3004, 5213555), (3260, 4804147), (3755, 4170844), (6397, 2448260), (7510, 2085422), (12794, 1224130), (15020, 1042711), (25588, 612065), (31985, 489652), (63970, 244826), (122413, 127940)]