77470240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15619}}^1$

素因数の和:15665

約数の個数: 48

約数和(自身を含む): 188939520

約数和(自身を除く): 111469280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15619, 31238, 62476, 78095, 124952, 156190, 249904, 312380, 484189, 499808, 624760, 968378, 1249520, 1936756, 2420945, 2499040, 3873512, 4841890, 7747024, 9683780, 15494048, 19367560, 38735120, 77470240]

約数ペア:

[(1, 77470240), (2, 38735120), (4, 19367560), (5, 15494048), (8, 9683780), (10, 7747024), (16, 4841890), (20, 3873512), (31, 2499040), (32, 2420945), (40, 1936756), (62, 1249520), (80, 968378), (124, 624760), (155, 499808), (160, 484189), (248, 312380), (310, 249904), (496, 156190), (620, 124952), (992, 78095), (1240, 62476), (2480, 31238), (4960, 15619)]