64912140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11633}}^1$

素因数の和:11679

約数の個数: 72

約数和(自身を含む): 203269248

約数和(自身を除く): 138357108

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, 11633, 23266, 34899, 46532, 58165, 69798, 104697, 116330, 139596, 174495, 209394, 232660, 348990, 360623, 418788, 523485, 697980, 721246, 1046970, 1081869, 1442492, 1803115, 2093940, 2163738, 3245607, 3606230, 4327476, 5409345, 6491214, 7212460, 10818690, 12982428, 16228035, 21637380, 32456070, 64912140]

約数ペア:

[(1, 64912140), (2, 32456070), (3, 21637380), (4, 16228035), (5, 12982428), (6, 10818690), (9, 7212460), (10, 6491214), (12, 5409345), (15, 4327476), (18, 3606230), (20, 3245607), (30, 2163738), (31, 2093940), (36, 1803115), (45, 1442492), (60, 1081869), (62, 1046970), (90, 721246), (93, 697980), (124, 523485), (155, 418788), (180, 360623), (186, 348990), (279, 232660), (310, 209394), (372, 174495), (465, 139596), (558, 116330), (620, 104697), (930, 69798), (1116, 58165), (1395, 46532), (1860, 34899), (2790, 23266), (5580, 11633)]