669084160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8485

約数の個数: 80

約数和(自身を含む): 1656179712

約数和(自身を除く): 987095552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 8431, 9920, 15872, 16862, 19840, 33724, 39680, 42155, 67448, 79360, 84310, 134896, 168620, 261361, 269792, 337240, 522722, 539584, 674480, 1045444, 1079168, 1306805, 1348960, 2090888, 2158336, 2613610, 2697920, 4181776, 4316672, 5227220, 5395840, 8363552, 10454440, 10791680, 16727104, 20908880, 21583360, 33454208, 41817760, 66908416, 83635520, 133816832, 167271040, 334542080, 669084160]

約数ペア:

[(1, 669084160), (2, 334542080), (4, 167271040), (5, 133816832), (8, 83635520), (10, 66908416), (16, 41817760), (20, 33454208), (31, 21583360), (32, 20908880), (40, 16727104), (62, 10791680), (64, 10454440), (80, 8363552), (124, 5395840), (128, 5227220), (155, 4316672), (160, 4181776), (248, 2697920), (256, 2613610), (310, 2158336), (320, 2090888), (496, 1348960), (512, 1306805), (620, 1079168), (640, 1045444), (992, 674480), (1240, 539584), (1280, 522722), (1984, 337240), (2480, 269792), (2560, 261361), (3968, 168620), (4960, 134896), (7936, 84310), (8431, 79360), (9920, 67448), (15872, 42155), (16862, 39680), (19840, 33724)]