556380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 1847664

約数和(自身を除く): 1291284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 281, 330, 396, 495, 562, 660, 843, 990, 1124, 1405, 1686, 1980, 2529, 2810, 3091, 3372, 4215, 5058, 5620, 6182, 8430, 9273, 10116, 12364, 12645, 15455, 16860, 18546, 25290, 27819, 30910, 37092, 46365, 50580, 55638, 61820, 92730, 111276, 139095, 185460, 278190, 556380]

約数ペア:

[(1, 556380), (2, 278190), (3, 185460), (4, 139095), (5, 111276), (6, 92730), (9, 61820), (10, 55638), (11, 50580), (12, 46365), (15, 37092), (18, 30910), (20, 27819), (22, 25290), (30, 18546), (33, 16860), (36, 15455), (44, 12645), (45, 12364), (55, 10116), (60, 9273), (66, 8430), (90, 6182), (99, 5620), (110, 5058), (132, 4215), (165, 3372), (180, 3091), (198, 2810), (220, 2529), (281, 1980), (330, 1686), (396, 1405), (495, 1124), (562, 990), (660, 843)]