81652140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14633}}^1$

素因数の和:14679

約数の個数: 72

約数和(自身を含む): 255685248

約数和(自身を除く): 174033108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 14633, 29266, 43899, 58532, 73165, 87798, 131697, 146330, 175596, 219495, 263394, 292660, 438990, 453623, 526788, 658485, 877980, 907246, 1316970, 1360869, 1814492, 2268115, 2633940, 2721738, 4082607, 4536230, 5443476, 6804345, 8165214, 9072460, 13608690, 16330428, 20413035, 27217380, 40826070, 81652140]

約数ペア:

[(1, 81652140), (2, 40826070), (3, 27217380), (4, 20413035), (5, 16330428), (6, 13608690), (9, 9072460), (10, 8165214), (12, 6804345), (15, 5443476), (18, 4536230), (20, 4082607), (30, 2721738), (31, 2633940), (36, 2268115), (45, 1814492), (60, 1360869), (62, 1316970), (90, 907246), (93, 877980), (124, 658485), (155, 526788), (180, 453623), (186, 438990), (279, 292660), (310, 263394), (372, 219495), (465, 175596), (558, 146330), (620, 131697), (930, 87798), (1116, 73165), (1395, 58532), (1860, 43899), (2790, 29266), (5580, 14633)]