157220440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15913}}^1$

素因数の和:15956

約数の個数: 64

約数和(自身を含む): 401032800

約数和(自身を除く): 243812360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15913, 31826, 63652, 79565, 127304, 159130, 206869, 302347, 318260, 413738, 604694, 636520, 827476, 1034345, 1209388, 1511735, 1654952, 2068690, 2418776, 3023470, 3930511, 4137380, 6046940, 7861022, 8274760, 12093880, 15722044, 19652555, 31444088, 39305110, 78610220, 157220440]

約数ペア:

[(1, 157220440), (2, 78610220), (4, 39305110), (5, 31444088), (8, 19652555), (10, 15722044), (13, 12093880), (19, 8274760), (20, 7861022), (26, 6046940), (38, 4137380), (40, 3930511), (52, 3023470), (65, 2418776), (76, 2068690), (95, 1654952), (104, 1511735), (130, 1209388), (152, 1034345), (190, 827476), (247, 636520), (260, 604694), (380, 413738), (494, 318260), (520, 302347), (760, 206869), (988, 159130), (1235, 127304), (1976, 79565), (2470, 63652), (4940, 31826), (9880, 15913)]