15481960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 39513600

約数和(自身を除く): 24031640

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, 1567, 1976, 2470, 3134, 4940, 6268, 7835, 9880, 12536, 15670, 20371, 29773, 31340, 40742, 59546, 62680, 81484, 101855, 119092, 148865, 162968, 203710, 238184, 297730, 387049, 407420, 595460, 774098, 814840, 1190920, 1548196, 1935245, 3096392, 3870490, 7740980, 15481960]

約数ペア:

[(1, 15481960), (2, 7740980), (4, 3870490), (5, 3096392), (8, 1935245), (10, 1548196), (13, 1190920), (19, 814840), (20, 774098), (26, 595460), (38, 407420), (40, 387049), (52, 297730), (65, 238184), (76, 203710), (95, 162968), (104, 148865), (130, 119092), (152, 101855), (190, 81484), (247, 62680), (260, 59546), (380, 40742), (494, 31340), (520, 29773), (760, 20371), (988, 15670), (1235, 12536), (1567, 9880), (1976, 7835), (2470, 6268), (3134, 4940)]