8866620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 31868928

約数和(自身を除く): 23002308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 227, 252, 279, 310, 315, 372, 420, 434, 454, 465, 558, 620, 630, 651, 681, 868, 908, 930, 1085, 1116, 1135, 1260, 1302, 1362, 1395, 1589, 1860, 1953, 2043, 2170, 2270, 2604, 2724, 2790, 3178, 3255, 3405, 3906, 4086, 4340, 4540, 4767, 5580, 6356, 6510, 6810, 7037, 7812, 7945, 8172, 9534, 9765, 10215, 13020, 13620, 14074, 14301, 15890, 19068, 19530, 20430, 21111, 23835, 28148, 28602, 31780, 35185, 39060, 40860, 42222, 47670, 49259, 57204, 63333, 70370, 71505, 84444, 95340, 98518, 105555, 126666, 140740, 143010, 147777, 197036, 211110, 246295, 253332, 286020, 295554, 316665, 422220, 443331, 492590, 591108, 633330, 738885, 886662, 985180, 1266660, 1477770, 1773324, 2216655, 2955540, 4433310, 8866620]

約数ペア:

[(1, 8866620), (2, 4433310), (3, 2955540), (4, 2216655), (5, 1773324), (6, 1477770), (7, 1266660), (9, 985180), (10, 886662), (12, 738885), (14, 633330), (15, 591108), (18, 492590), (20, 443331), (21, 422220), (28, 316665), (30, 295554), (31, 286020), (35, 253332), (36, 246295), (42, 211110), (45, 197036), (60, 147777), (62, 143010), (63, 140740), (70, 126666), (84, 105555), (90, 98518), (93, 95340), (105, 84444), (124, 71505), (126, 70370), (140, 63333), (155, 57204), (180, 49259), (186, 47670), (210, 42222), (217, 40860), (227, 39060), (252, 35185), (279, 31780), (310, 28602), (315, 28148), (372, 23835), (420, 21111), (434, 20430), (454, 19530), (465, 19068), (558, 15890), (620, 14301), (630, 14074), (651, 13620), (681, 13020), (868, 10215), (908, 9765), (930, 9534), (1085, 8172), (1116, 7945), (1135, 7812), (1260, 7037), (1302, 6810), (1362, 6510), (1395, 6356), (1589, 5580), (1860, 4767), (1953, 4540), (2043, 4340), (2170, 4086), (2270, 3906), (2604, 3405), (2724, 3255), (2790, 3178)]