1591380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{421}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 5671680

約数和(自身を除く): 4080300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 421, 540, 630, 756, 842, 945, 1260, 1263, 1684, 1890, 2105, 2526, 2947, 3780, 3789, 4210, 5052, 5894, 6315, 7578, 8420, 8841, 11367, 11788, 12630, 14735, 15156, 17682, 18945, 22734, 25260, 26523, 29470, 35364, 37890, 44205, 45468, 53046, 56835, 58940, 75780, 79569, 88410, 106092, 113670, 132615, 159138, 176820, 227340, 265230, 318276, 397845, 530460, 795690, 1591380]

約数ペア:

[(1, 1591380), (2, 795690), (3, 530460), (4, 397845), (5, 318276), (6, 265230), (7, 227340), (9, 176820), (10, 159138), (12, 132615), (14, 113670), (15, 106092), (18, 88410), (20, 79569), (21, 75780), (27, 58940), (28, 56835), (30, 53046), (35, 45468), (36, 44205), (42, 37890), (45, 35364), (54, 29470), (60, 26523), (63, 25260), (70, 22734), (84, 18945), (90, 17682), (105, 15156), (108, 14735), (126, 12630), (135, 11788), (140, 11367), (180, 8841), (189, 8420), (210, 7578), (252, 6315), (270, 5894), (315, 5052), (378, 4210), (420, 3789), (421, 3780), (540, 2947), (630, 2526), (756, 2105), (842, 1890), (945, 1684), (1260, 1263)]