77752960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3919}}^1$

素因数の和:3969

約数の個数: 64

約数和(自身を含む): 191923200

約数和(自身を除く): 114170240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3919, 3968, 4960, 7838, 9920, 15676, 19595, 19840, 31352, 39190, 62704, 78380, 121489, 125408, 156760, 242978, 250816, 313520, 485956, 501632, 607445, 627040, 971912, 1214890, 1254080, 1943824, 2429780, 2508160, 3887648, 4859560, 7775296, 9719120, 15550592, 19438240, 38876480, 77752960]

約数ペア:

[(1, 77752960), (2, 38876480), (4, 19438240), (5, 15550592), (8, 9719120), (10, 7775296), (16, 4859560), (20, 3887648), (31, 2508160), (32, 2429780), (40, 1943824), (62, 1254080), (64, 1214890), (80, 971912), (124, 627040), (128, 607445), (155, 501632), (160, 485956), (248, 313520), (310, 250816), (320, 242978), (496, 156760), (620, 125408), (640, 121489), (992, 78380), (1240, 62704), (1984, 39190), (2480, 31352), (3919, 19840), (3968, 19595), (4960, 15676), (7838, 9920)]