254452480

素因数分解:

$2^8\times 5^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 612586800

約数和(自身を除く): 358134320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 538, 640, 739, 1076, 1280, 1345, 1478, 2152, 2690, 2956, 3695, 4304, 5380, 5912, 7390, 8608, 10760, 11824, 14780, 17216, 21520, 23648, 29560, 34432, 43040, 47296, 59120, 68864, 86080, 94592, 118240, 172160, 189184, 198791, 236480, 344320, 397582, 472960, 795164, 945920, 993955, 1590328, 1987910, 3180656, 3975820, 6361312, 7951640, 12722624, 15903280, 25445248, 31806560, 50890496, 63613120, 127226240, 254452480]

約数ペア:

[(1, 254452480), (2, 127226240), (4, 63613120), (5, 50890496), (8, 31806560), (10, 25445248), (16, 15903280), (20, 12722624), (32, 7951640), (40, 6361312), (64, 3975820), (80, 3180656), (128, 1987910), (160, 1590328), (256, 993955), (269, 945920), (320, 795164), (538, 472960), (640, 397582), (739, 344320), (1076, 236480), (1280, 198791), (1345, 189184), (1478, 172160), (2152, 118240), (2690, 94592), (2956, 86080), (3695, 68864), (4304, 59120), (5380, 47296), (5912, 43040), (7390, 34432), (8608, 29560), (10760, 23648), (11824, 21520), (14780, 17216)]