128494160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{883}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 319640256

約数和(自身を除く): 191146096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 680, 856, 883, 1070, 1360, 1712, 1766, 1819, 2140, 3532, 3638, 4280, 4415, 7064, 7276, 8560, 8830, 9095, 14128, 14552, 15011, 17660, 18190, 29104, 30022, 35320, 36380, 60044, 70640, 72760, 75055, 94481, 120088, 145520, 150110, 188962, 240176, 300220, 377924, 472405, 600440, 755848, 944810, 1200880, 1511696, 1606177, 1889620, 3212354, 3779240, 6424708, 7558480, 8030885, 12849416, 16061770, 25698832, 32123540, 64247080, 128494160]

約数ペア:

[(1, 128494160), (2, 64247080), (4, 32123540), (5, 25698832), (8, 16061770), (10, 12849416), (16, 8030885), (17, 7558480), (20, 6424708), (34, 3779240), (40, 3212354), (68, 1889620), (80, 1606177), (85, 1511696), (107, 1200880), (136, 944810), (170, 755848), (214, 600440), (272, 472405), (340, 377924), (428, 300220), (535, 240176), (680, 188962), (856, 150110), (883, 145520), (1070, 120088), (1360, 94481), (1712, 75055), (1766, 72760), (1819, 70640), (2140, 60044), (3532, 36380), (3638, 35320), (4280, 30022), (4415, 29104), (7064, 18190), (7276, 17660), (8560, 15011), (8830, 14552), (9095, 14128)]