2008279980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1$

素因数の和:870

約数の個数: 240

約数和(自身を含む): 7234328640

約数和(自身を除く): 5226048660

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, 252, 270, 315, 324, 378, 405, 409, 420, 433, 540, 567, 630, 756, 810, 818, 866, 945, 1134, 1227, 1260, 1299, 1620, 1636, 1732, 1890, 2045, 2165, 2268, 2454, 2598, 2835, 2863, 3031, 3681, 3780, 3897, 4090, 4330, 4908, 5196, 5670, 5726, 6062, 6135, 6495, 7362, 7794, 8180, 8589, 8660, 9093, 11043, 11340, 11452, 11691, 12124, 12270, 12990, 14315, 14724, 15155, 15588, 17178, 18186, 18405, 19485, 22086, 23382, 24540, 25767, 25980, 27279, 28630, 30310, 33129, 34356, 35073, 36372, 36810, 38970, 42945, 44172, 45465, 46764, 51534, 54558, 55215, 57260, 58455, 60620, 66258, 70146, 73620, 77301, 77940, 81837, 85890, 90930, 103068, 109116, 110430, 116910, 128835, 132516, 136395, 140292, 154602, 163674, 165645, 171780, 175365, 177097, 181860, 220860, 231903, 233820, 245511, 257670, 272790, 309204, 327348, 331290, 350730, 354194, 386505, 409185, 463806, 491022, 515340, 531291, 545580, 662580, 701460, 708388, 773010, 818370, 885485, 927612, 982044, 1062582, 1159515, 1227555, 1239679, 1546020, 1593873, 1636740, 1770970, 2125164, 2319030, 2455110, 2479358, 2656455, 3187746, 3541940, 3719037, 4638060, 4781619, 4910220, 4958716, 5312910, 6198395, 6375492, 7438074, 7969365, 9563238, 10625820, 11157111, 12396790, 14344857, 14876148, 15938730, 18595185, 19126476, 22314222, 23908095, 24793580, 28689714, 31877460, 33471333, 37190370, 44628444, 47816190, 55785555, 57379428, 66942666, 71724285, 74380740, 95632380, 100413999, 111571110, 133885332, 143448570, 167356665, 200827998, 223142220, 286897140, 334713330, 401655996, 502069995, 669426660, 1004139990, 2008279980]

約数ペア:

[(1, 2008279980), (2, 1004139990), (3, 669426660), (4, 502069995), (5, 401655996), (6, 334713330), (7, 286897140), (9, 223142220), (10, 200827998), (12, 167356665), (14, 143448570), (15, 133885332), (18, 111571110), (20, 100413999), (21, 95632380), (27, 74380740), (28, 71724285), (30, 66942666), (35, 57379428), (36, 55785555), (42, 47816190), (45, 44628444), (54, 37190370), (60, 33471333), (63, 31877460), (70, 28689714), (81, 24793580), (84, 23908095), (90, 22314222), (105, 19126476), (108, 18595185), (126, 15938730), (135, 14876148), (140, 14344857), (162, 12396790), (180, 11157111), (189, 10625820), (210, 9563238), (252, 7969365), (270, 7438074), (315, 6375492), (324, 6198395), (378, 5312910), (405, 4958716), (409, 4910220), (420, 4781619), (433, 4638060), (540, 3719037), (567, 3541940), (630, 3187746), (756, 2656455), (810, 2479358), (818, 2455110), (866, 2319030), (945, 2125164), (1134, 1770970), (1227, 1636740), (1260, 1593873), (1299, 1546020), (1620, 1239679), (1636, 1227555), (1732, 1159515), (1890, 1062582), (2045, 982044), (2165, 927612), (2268, 885485), (2454, 818370), (2598, 773010), (2835, 708388), (2863, 701460), (3031, 662580), (3681, 545580), (3780, 531291), (3897, 515340), (4090, 491022), (4330, 463806), (4908, 409185), (5196, 386505), (5670, 354194), (5726, 350730), (6062, 331290), (6135, 327348), (6495, 309204), (7362, 272790), (7794, 257670), (8180, 245511), (8589, 233820), (8660, 231903), (9093, 220860), (11043, 181860), (11340, 177097), (11452, 175365), (11691, 171780), (12124, 165645), (12270, 163674), (12990, 154602), (14315, 140292), (14724, 136395), (15155, 132516), (15588, 128835), (17178, 116910), (18186, 110430), (18405, 109116), (19485, 103068), (22086, 90930), (23382, 85890), (24540, 81837), (25767, 77940), (25980, 77301), (27279, 73620), (28630, 70146), (30310, 66258), (33129, 60620), (34356, 58455), (35073, 57260), (36372, 55215), (36810, 54558), (38970, 51534), (42945, 46764), (44172, 45465)]