145863680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:975

約数の個数: 88

約数和(自身を含む): 361582080

約数和(自身を除く): 215718400

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, 919, 992, 1024, 1240, 1280, 1838, 1984, 2480, 2560, 3676, 3968, 4595, 4960, 5120, 7352, 7936, 9190, 9920, 14704, 15872, 18380, 19840, 28489, 29408, 31744, 36760, 39680, 56978, 58816, 73520, 79360, 113956, 117632, 142445, 147040, 158720, 227912, 235264, 284890, 294080, 455824, 470528, 569780, 588160, 911648, 941056, 1139560, 1176320, 1823296, 2279120, 2352640, 3646592, 4558240, 4705280, 7293184, 9116480, 14586368, 18232960, 29172736, 36465920, 72931840, 145863680]

約数ペア:

[(1, 145863680), (2, 72931840), (4, 36465920), (5, 29172736), (8, 18232960), (10, 14586368), (16, 9116480), (20, 7293184), (31, 4705280), (32, 4558240), (40, 3646592), (62, 2352640), (64, 2279120), (80, 1823296), (124, 1176320), (128, 1139560), (155, 941056), (160, 911648), (248, 588160), (256, 569780), (310, 470528), (320, 455824), (496, 294080), (512, 284890), (620, 235264), (640, 227912), (919, 158720), (992, 147040), (1024, 142445), (1240, 117632), (1280, 113956), (1838, 79360), (1984, 73520), (2480, 58816), (2560, 56978), (3676, 39680), (3968, 36760), (4595, 31744), (4960, 29408), (5120, 28489), (7352, 19840), (7936, 18380), (9190, 15872), (9920, 14704)]