149513940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1973}}^1$

素因数の和:2409

約数の個数: 72

約数和(自身を含む): 454833288

約数和(自身を除く): 305319348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 1973, 2105, 2526, 3789, 3946, 4210, 5052, 5919, 6315, 7578, 7892, 8420, 9865, 11838, 12630, 15156, 17757, 18945, 19730, 23676, 25260, 29595, 35514, 37890, 39460, 59190, 71028, 75780, 88785, 118380, 177570, 355140, 830633, 1661266, 2491899, 3322532, 4153165, 4983798, 7475697, 8306330, 9967596, 12459495, 14951394, 16612660, 24918990, 29902788, 37378485, 49837980, 74756970, 149513940]

約数ペア:

[(1, 149513940), (2, 74756970), (3, 49837980), (4, 37378485), (5, 29902788), (6, 24918990), (9, 16612660), (10, 14951394), (12, 12459495), (15, 9967596), (18, 8306330), (20, 7475697), (30, 4983798), (36, 4153165), (45, 3322532), (60, 2491899), (90, 1661266), (180, 830633), (421, 355140), (842, 177570), (1263, 118380), (1684, 88785), (1973, 75780), (2105, 71028), (2526, 59190), (3789, 39460), (3946, 37890), (4210, 35514), (5052, 29595), (5919, 25260), (6315, 23676), (7578, 19730), (7892, 18945), (8420, 17757), (9865, 15156), (11838, 12630)]