155567920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 376761600

約数和(自身を除く): 221193680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 248, 298, 310, 421, 496, 596, 620, 745, 842, 1192, 1240, 1490, 1684, 2105, 2384, 2480, 2980, 3368, 4210, 4619, 5960, 6736, 8420, 9238, 11920, 13051, 16840, 18476, 23095, 26102, 33680, 36952, 46190, 52204, 62729, 65255, 73904, 92380, 104408, 125458, 130510, 184760, 208816, 250916, 261020, 313645, 369520, 501832, 522040, 627290, 1003664, 1044080, 1254580, 1944599, 2509160, 3889198, 5018320, 7778396, 9722995, 15556792, 19445990, 31113584, 38891980, 77783960, 155567920]

約数ペア:

[(1, 155567920), (2, 77783960), (4, 38891980), (5, 31113584), (8, 19445990), (10, 15556792), (16, 9722995), (20, 7778396), (31, 5018320), (40, 3889198), (62, 2509160), (80, 1944599), (124, 1254580), (149, 1044080), (155, 1003664), (248, 627290), (298, 522040), (310, 501832), (421, 369520), (496, 313645), (596, 261020), (620, 250916), (745, 208816), (842, 184760), (1192, 130510), (1240, 125458), (1490, 104408), (1684, 92380), (2105, 73904), (2384, 65255), (2480, 62729), (2980, 52204), (3368, 46190), (4210, 36952), (4619, 33680), (5960, 26102), (6736, 23095), (8420, 18476), (9238, 16840), (11920, 13051)]