215747460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8623}}^1$

素因数の和:8777

約数の個数: 72

約数和(自身を含む): 659218560

約数和(自身を除く): 443471100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 8623, 12510, 17246, 25020, 25869, 34492, 43115, 51738, 77607, 86230, 103476, 129345, 155214, 172460, 258690, 310428, 388035, 517380, 776070, 1198597, 1552140, 2397194, 3595791, 4794388, 5992985, 7191582, 10787373, 11985970, 14383164, 17978955, 21574746, 23971940, 35957910, 43149492, 53936865, 71915820, 107873730, 215747460]

約数ペア:

[(1, 215747460), (2, 107873730), (3, 71915820), (4, 53936865), (5, 43149492), (6, 35957910), (9, 23971940), (10, 21574746), (12, 17978955), (15, 14383164), (18, 11985970), (20, 10787373), (30, 7191582), (36, 5992985), (45, 4794388), (60, 3595791), (90, 2397194), (139, 1552140), (180, 1198597), (278, 776070), (417, 517380), (556, 388035), (695, 310428), (834, 258690), (1251, 172460), (1390, 155214), (1668, 129345), (2085, 103476), (2502, 86230), (2780, 77607), (4170, 51738), (5004, 43115), (6255, 34492), (8340, 25869), (8623, 25020), (12510, 17246)]