1099980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{97}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 3984288

約数和(自身を除く): 2884308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 97, 105, 108, 126, 135, 140, 162, 180, 189, 194, 210, 252, 270, 291, 315, 324, 378, 388, 405, 420, 485, 540, 567, 582, 630, 679, 756, 810, 873, 945, 970, 1134, 1164, 1260, 1358, 1455, 1620, 1746, 1890, 1940, 2037, 2268, 2619, 2716, 2835, 2910, 3395, 3492, 3780, 4074, 4365, 5238, 5670, 5820, 6111, 6790, 7857, 8148, 8730, 10185, 10476, 11340, 12222, 13095, 13580, 15714, 17460, 18333, 20370, 24444, 26190, 30555, 31428, 36666, 39285, 40740, 52380, 54999, 61110, 73332, 78570, 91665, 109998, 122220, 157140, 183330, 219996, 274995, 366660, 549990, 1099980]

約数ペア:

[(1, 1099980), (2, 549990), (3, 366660), (4, 274995), (5, 219996), (6, 183330), (7, 157140), (9, 122220), (10, 109998), (12, 91665), (14, 78570), (15, 73332), (18, 61110), (20, 54999), (21, 52380), (27, 40740), (28, 39285), (30, 36666), (35, 31428), (36, 30555), (42, 26190), (45, 24444), (54, 20370), (60, 18333), (63, 17460), (70, 15714), (81, 13580), (84, 13095), (90, 12222), (97, 11340), (105, 10476), (108, 10185), (126, 8730), (135, 8148), (140, 7857), (162, 6790), (180, 6111), (189, 5820), (194, 5670), (210, 5238), (252, 4365), (270, 4074), (291, 3780), (315, 3492), (324, 3395), (378, 2910), (388, 2835), (405, 2716), (420, 2619), (485, 2268), (540, 2037), (567, 1940), (582, 1890), (630, 1746), (679, 1620), (756, 1455), (810, 1358), (873, 1260), (945, 1164), (970, 1134)]