165905460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131671}}^1$

素因数の和:131693

約数の個数: 72

約数和(自身を含む): 575143296

約数和(自身を除く): 409237836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 131671, 263342, 395013, 526684, 658355, 790026, 921697, 1185039, 1316710, 1580052, 1843394, 1975065, 2370078, 2633420, 2765091, 3686788, 3950130, 4608485, 4740156, 5530182, 5925195, 7900260, 8295273, 9216970, 11060364, 11850390, 13825455, 16590546, 18433940, 23700780, 27650910, 33181092, 41476365, 55301820, 82952730, 165905460]

約数ペア:

[(1, 165905460), (2, 82952730), (3, 55301820), (4, 41476365), (5, 33181092), (6, 27650910), (7, 23700780), (9, 18433940), (10, 16590546), (12, 13825455), (14, 11850390), (15, 11060364), (18, 9216970), (20, 8295273), (21, 7900260), (28, 5925195), (30, 5530182), (35, 4740156), (36, 4608485), (42, 3950130), (45, 3686788), (60, 2765091), (63, 2633420), (70, 2370078), (84, 1975065), (90, 1843394), (105, 1580052), (126, 1316710), (140, 1185039), (180, 921697), (210, 790026), (252, 658355), (315, 526684), (420, 395013), (630, 263342), (1260, 131671)]