1719741520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{38873}}^1$

素因数の和:38972

約数の個数: 80

約数和(自身を含む): 4627560960

約数和(自身を除く): 2907819440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 38873, 44240, 77746, 155492, 194365, 272111, 310984, 388730, 544222, 621968, 777460, 1088444, 1360555, 1554920, 2176888, 2721110, 3070967, 3109840, 4353776, 5442220, 6141934, 10884440, 12283868, 15354835, 21496769, 21768880, 24567736, 30709670, 42993538, 49135472, 61419340, 85987076, 107483845, 122838680, 171974152, 214967690, 245677360, 343948304, 429935380, 859870760, 1719741520]

約数ペア:

[(1, 1719741520), (2, 859870760), (4, 429935380), (5, 343948304), (7, 245677360), (8, 214967690), (10, 171974152), (14, 122838680), (16, 107483845), (20, 85987076), (28, 61419340), (35, 49135472), (40, 42993538), (56, 30709670), (70, 24567736), (79, 21768880), (80, 21496769), (112, 15354835), (140, 12283868), (158, 10884440), (280, 6141934), (316, 5442220), (395, 4353776), (553, 3109840), (560, 3070967), (632, 2721110), (790, 2176888), (1106, 1554920), (1264, 1360555), (1580, 1088444), (2212, 777460), (2765, 621968), (3160, 544222), (4424, 388730), (5530, 310984), (6320, 272111), (8848, 194365), (11060, 155492), (22120, 77746), (38873, 44240)]