7919940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 25724160

約数和(自身を除く): 17804220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 173, 210, 218, 327, 346, 420, 436, 519, 545, 654, 692, 763, 865, 1038, 1090, 1211, 1308, 1526, 1635, 1730, 2076, 2180, 2289, 2422, 2595, 3052, 3270, 3460, 3633, 3815, 4578, 4844, 5190, 6055, 6540, 7266, 7630, 9156, 10380, 11445, 12110, 14532, 15260, 18165, 18857, 22890, 24220, 36330, 37714, 45780, 56571, 72660, 75428, 94285, 113142, 131999, 188570, 226284, 263998, 282855, 377140, 395997, 527996, 565710, 659995, 791994, 1131420, 1319990, 1583988, 1979985, 2639980, 3959970, 7919940]

約数ペア:

[(1, 7919940), (2, 3959970), (3, 2639980), (4, 1979985), (5, 1583988), (6, 1319990), (7, 1131420), (10, 791994), (12, 659995), (14, 565710), (15, 527996), (20, 395997), (21, 377140), (28, 282855), (30, 263998), (35, 226284), (42, 188570), (60, 131999), (70, 113142), (84, 94285), (105, 75428), (109, 72660), (140, 56571), (173, 45780), (210, 37714), (218, 36330), (327, 24220), (346, 22890), (420, 18857), (436, 18165), (519, 15260), (545, 14532), (654, 12110), (692, 11445), (763, 10380), (865, 9156), (1038, 7630), (1090, 7266), (1211, 6540), (1308, 6055), (1526, 5190), (1635, 4844), (1730, 4578), (2076, 3815), (2180, 3633), (2289, 3460), (2422, 3270), (2595, 3052)]