87938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{421}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 234848064

約数和(自身を除く): 146909584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 373, 421, 560, 746, 842, 1492, 1684, 1865, 2105, 2611, 2947, 2984, 3368, 3730, 4210, 5222, 5894, 5968, 6736, 7460, 8420, 10444, 11788, 13055, 14735, 14920, 16840, 20888, 23576, 26110, 29470, 29840, 33680, 41776, 47152, 52220, 58940, 104440, 117880, 157033, 208880, 235760, 314066, 628132, 785165, 1099231, 1256264, 1570330, 2198462, 2512528, 3140660, 4396924, 5496155, 6281320, 8793848, 10992310, 12562640, 17587696, 21984620, 43969240, 87938480]

約数ペア:

[(1, 87938480), (2, 43969240), (4, 21984620), (5, 17587696), (7, 12562640), (8, 10992310), (10, 8793848), (14, 6281320), (16, 5496155), (20, 4396924), (28, 3140660), (35, 2512528), (40, 2198462), (56, 1570330), (70, 1256264), (80, 1099231), (112, 785165), (140, 628132), (280, 314066), (373, 235760), (421, 208880), (560, 157033), (746, 117880), (842, 104440), (1492, 58940), (1684, 52220), (1865, 47152), (2105, 41776), (2611, 33680), (2947, 29840), (2984, 29470), (3368, 26110), (3730, 23576), (4210, 20888), (5222, 16840), (5894, 14920), (5968, 14735), (6736, 13055), (7460, 11788), (8420, 10444)]