77399760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{619}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 240788160

約数和(自身を除く): 163388400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 619, 1042, 1238, 1563, 1857, 2084, 2476, 2605, 3095, 3126, 3714, 4168, 4952, 5210, 6190, 6252, 7428, 7815, 8336, 9285, 9904, 10420, 12380, 12504, 14856, 15630, 18570, 20840, 24760, 25008, 29712, 31260, 37140, 41680, 49520, 62520, 74280, 125040, 148560, 322499, 644998, 967497, 1289996, 1612495, 1934994, 2579992, 3224990, 3869988, 4837485, 5159984, 6449980, 7739976, 9674970, 12899960, 15479952, 19349940, 25799920, 38699880, 77399760]

約数ペア:

[(1, 77399760), (2, 38699880), (3, 25799920), (4, 19349940), (5, 15479952), (6, 12899960), (8, 9674970), (10, 7739976), (12, 6449980), (15, 5159984), (16, 4837485), (20, 3869988), (24, 3224990), (30, 2579992), (40, 1934994), (48, 1612495), (60, 1289996), (80, 967497), (120, 644998), (240, 322499), (521, 148560), (619, 125040), (1042, 74280), (1238, 62520), (1563, 49520), (1857, 41680), (2084, 37140), (2476, 31260), (2605, 29712), (3095, 25008), (3126, 24760), (3714, 20840), (4168, 18570), (4952, 15630), (5210, 14856), (6190, 12504), (6252, 12380), (7428, 10420), (7815, 9904), (8336, 9285)]