717990780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21407}}^1$

素因数の和:21475

約数の個数: 96

約数和(自身を含む): 2215471104

約数和(自身を除く): 1497480324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1677, 2236, 2580, 2795, 3354, 5590, 6708, 8385, 11180, 16770, 21407, 33540, 42814, 64221, 85628, 107035, 128442, 214070, 256884, 278291, 321105, 428140, 556582, 642210, 834873, 920501, 1113164, 1284420, 1391455, 1669746, 1841002, 2761503, 2782910, 3339492, 3682004, 4174365, 4602505, 5523006, 5565820, 8348730, 9205010, 11046012, 11966513, 13807515, 16697460, 18410020, 23933026, 27615030, 35899539, 47866052, 55230060, 59832565, 71799078, 119665130, 143598156, 179497695, 239330260, 358995390, 717990780]

約数ペア:

[(1, 717990780), (2, 358995390), (3, 239330260), (4, 179497695), (5, 143598156), (6, 119665130), (10, 71799078), (12, 59832565), (13, 55230060), (15, 47866052), (20, 35899539), (26, 27615030), (30, 23933026), (39, 18410020), (43, 16697460), (52, 13807515), (60, 11966513), (65, 11046012), (78, 9205010), (86, 8348730), (129, 5565820), (130, 5523006), (156, 4602505), (172, 4174365), (195, 3682004), (215, 3339492), (258, 2782910), (260, 2761503), (390, 1841002), (430, 1669746), (516, 1391455), (559, 1284420), (645, 1113164), (780, 920501), (860, 834873), (1118, 642210), (1290, 556582), (1677, 428140), (2236, 321105), (2580, 278291), (2795, 256884), (3354, 214070), (5590, 128442), (6708, 107035), (8385, 85628), (11180, 64221), (16770, 42814), (21407, 33540)]