30644480

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 74503800

約数和(自身を除く): 43859320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 269, 320, 356, 445, 538, 640, 712, 890, 1076, 1280, 1345, 1424, 1780, 2152, 2690, 2848, 3560, 4304, 5380, 5696, 7120, 8608, 10760, 11392, 14240, 17216, 21520, 22784, 23941, 28480, 34432, 43040, 47882, 56960, 68864, 86080, 95764, 113920, 119705, 172160, 191528, 239410, 344320, 383056, 478820, 766112, 957640, 1532224, 1915280, 3064448, 3830560, 6128896, 7661120, 15322240, 30644480]

約数ペア:

[(1, 30644480), (2, 15322240), (4, 7661120), (5, 6128896), (8, 3830560), (10, 3064448), (16, 1915280), (20, 1532224), (32, 957640), (40, 766112), (64, 478820), (80, 383056), (89, 344320), (128, 239410), (160, 191528), (178, 172160), (256, 119705), (269, 113920), (320, 95764), (356, 86080), (445, 68864), (538, 56960), (640, 47882), (712, 43040), (890, 34432), (1076, 28480), (1280, 23941), (1345, 22784), (1424, 21520), (1780, 17216), (2152, 14240), (2690, 11392), (2848, 10760), (3560, 8608), (4304, 7120), (5380, 5696)]