2642220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{233}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 9513504

約数和(自身を除く): 6871284

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, 105, 108, 126, 135, 140, 162, 180, 189, 210, 233, 252, 270, 315, 324, 378, 405, 420, 466, 540, 567, 630, 699, 756, 810, 932, 945, 1134, 1165, 1260, 1398, 1620, 1631, 1890, 2097, 2268, 2330, 2796, 2835, 3262, 3495, 3780, 4194, 4660, 4893, 5670, 6291, 6524, 6990, 8155, 8388, 9786, 10485, 11340, 12582, 13980, 14679, 16310, 18873, 19572, 20970, 24465, 25164, 29358, 31455, 32620, 37746, 41940, 44037, 48930, 58716, 62910, 73395, 75492, 88074, 94365, 97860, 125820, 132111, 146790, 176148, 188730, 220185, 264222, 293580, 377460, 440370, 528444, 660555, 880740, 1321110, 2642220]

約数ペア:

[(1, 2642220), (2, 1321110), (3, 880740), (4, 660555), (5, 528444), (6, 440370), (7, 377460), (9, 293580), (10, 264222), (12, 220185), (14, 188730), (15, 176148), (18, 146790), (20, 132111), (21, 125820), (27, 97860), (28, 94365), (30, 88074), (35, 75492), (36, 73395), (42, 62910), (45, 58716), (54, 48930), (60, 44037), (63, 41940), (70, 37746), (81, 32620), (84, 31455), (90, 29358), (105, 25164), (108, 24465), (126, 20970), (135, 19572), (140, 18873), (162, 16310), (180, 14679), (189, 13980), (210, 12582), (233, 11340), (252, 10485), (270, 9786), (315, 8388), (324, 8155), (378, 6990), (405, 6524), (420, 6291), (466, 5670), (540, 4893), (567, 4660), (630, 4194), (699, 3780), (756, 3495), (810, 3262), (932, 2835), (945, 2796), (1134, 2330), (1165, 2268), (1260, 2097), (1398, 1890), (1620, 1631)]