290283720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2441}}^1$

素因数の和:3446

約数の個数: 64

約数和(自身を含む): 872087040

約数和(自身を除く): 581803320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 991, 1982, 2441, 2973, 3964, 4882, 4955, 5946, 7323, 7928, 9764, 9910, 11892, 12205, 14646, 14865, 19528, 19820, 23784, 24410, 29292, 29730, 36615, 39640, 48820, 58584, 59460, 73230, 97640, 118920, 146460, 292920, 2419031, 4838062, 7257093, 9676124, 12095155, 14514186, 19352248, 24190310, 29028372, 36285465, 48380620, 58056744, 72570930, 96761240, 145141860, 290283720]

約数ペア:

[(1, 290283720), (2, 145141860), (3, 96761240), (4, 72570930), (5, 58056744), (6, 48380620), (8, 36285465), (10, 29028372), (12, 24190310), (15, 19352248), (20, 14514186), (24, 12095155), (30, 9676124), (40, 7257093), (60, 4838062), (120, 2419031), (991, 292920), (1982, 146460), (2441, 118920), (2973, 97640), (3964, 73230), (4882, 59460), (4955, 58584), (5946, 48820), (7323, 39640), (7928, 36615), (9764, 29730), (9910, 29292), (11892, 24410), (12205, 23784), (14646, 19820), (14865, 19528)]