990657720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:919

約数の個数: 288

約数和(自身を含む): 3674127600

約数和(自身を除く): 2683469880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 169, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 338, 342, 360, 380, 390, 456, 468, 494, 507, 520, 570, 585, 676, 684, 741, 760, 780, 845, 855, 857, 936, 988, 1014, 1140, 1170, 1235, 1352, 1368, 1482, 1521, 1560, 1690, 1710, 1714, 1976, 2028, 2223, 2280, 2340, 2470, 2535, 2571, 2964, 3042, 3211, 3380, 3420, 3428, 3705, 4056, 4285, 4446, 4680, 4940, 5070, 5142, 5928, 6084, 6422, 6760, 6840, 6856, 7410, 7605, 7713, 8570, 8892, 9633, 9880, 10140, 10284, 11115, 11141, 12168, 12844, 12855, 14820, 15210, 15426, 16055, 16283, 17140, 17784, 19266, 20280, 20568, 22230, 22282, 25688, 25710, 28899, 29640, 30420, 30852, 32110, 32566, 33423, 34280, 38532, 38565, 44460, 44564, 48165, 48849, 51420, 55705, 57798, 60840, 61704, 64220, 65132, 66846, 77064, 77130, 81415, 88920, 89128, 96330, 97698, 100269, 102840, 111410, 115596, 128440, 130264, 133692, 144495, 144833, 146547, 154260, 162830, 167115, 192660, 195396, 200538, 211679, 222820, 231192, 244245, 267384, 288990, 289666, 293094, 308520, 325660, 334230, 385320, 390792, 401076, 423358, 434499, 445640, 488490, 501345, 577980, 579332, 586188, 635037, 651320, 668460, 724165, 732735, 802152, 846716, 868998, 976980, 1002690, 1058395, 1155960, 1158664, 1172376, 1270074, 1303497, 1336920, 1448330, 1465470, 1693432, 1737996, 1905111, 1953960, 2005380, 2116790, 2172495, 2540148, 2606994, 2751827, 2896660, 2930940, 3175185, 3475992, 3810222, 4010760, 4233580, 4344990, 5080296, 5213988, 5503654, 5793320, 5861880, 6350370, 6517485, 7620444, 8255481, 8467160, 8689980, 9525555, 10427976, 11007308, 12700740, 13034970, 13759135, 15240888, 16510962, 17379960, 19051110, 22014616, 24766443, 25401480, 26069940, 27518270, 33021924, 38102220, 41277405, 49532886, 52139880, 55036540, 66043848, 76204440, 82554810, 99065772, 110073080, 123832215, 165109620, 198131544, 247664430, 330219240, 495328860, 990657720]

約数ペア:

[(1, 990657720), (2, 495328860), (3, 330219240), (4, 247664430), (5, 198131544), (6, 165109620), (8, 123832215), (9, 110073080), (10, 99065772), (12, 82554810), (13, 76204440), (15, 66043848), (18, 55036540), (19, 52139880), (20, 49532886), (24, 41277405), (26, 38102220), (30, 33021924), (36, 27518270), (38, 26069940), (39, 25401480), (40, 24766443), (45, 22014616), (52, 19051110), (57, 17379960), (60, 16510962), (65, 15240888), (72, 13759135), (76, 13034970), (78, 12700740), (90, 11007308), (95, 10427976), (104, 9525555), (114, 8689980), (117, 8467160), (120, 8255481), (130, 7620444), (152, 6517485), (156, 6350370), (169, 5861880), (171, 5793320), (180, 5503654), (190, 5213988), (195, 5080296), (228, 4344990), (234, 4233580), (247, 4010760), (260, 3810222), (285, 3475992), (312, 3175185), (338, 2930940), (342, 2896660), (360, 2751827), (380, 2606994), (390, 2540148), (456, 2172495), (468, 2116790), (494, 2005380), (507, 1953960), (520, 1905111), (570, 1737996), (585, 1693432), (676, 1465470), (684, 1448330), (741, 1336920), (760, 1303497), (780, 1270074), (845, 1172376), (855, 1158664), (857, 1155960), (936, 1058395), (988, 1002690), (1014, 976980), (1140, 868998), (1170, 846716), (1235, 802152), (1352, 732735), (1368, 724165), (1482, 668460), (1521, 651320), (1560, 635037), (1690, 586188), (1710, 579332), (1714, 577980), (1976, 501345), (2028, 488490), (2223, 445640), (2280, 434499), (2340, 423358), (2470, 401076), (2535, 390792), (2571, 385320), (2964, 334230), (3042, 325660), (3211, 308520), (3380, 293094), (3420, 289666), (3428, 288990), (3705, 267384), (4056, 244245), (4285, 231192), (4446, 222820), (4680, 211679), (4940, 200538), (5070, 195396), (5142, 192660), (5928, 167115), (6084, 162830), (6422, 154260), (6760, 146547), (6840, 144833), (6856, 144495), (7410, 133692), (7605, 130264), (7713, 128440), (8570, 115596), (8892, 111410), (9633, 102840), (9880, 100269), (10140, 97698), (10284, 96330), (11115, 89128), (11141, 88920), (12168, 81415), (12844, 77130), (12855, 77064), (14820, 66846), (15210, 65132), (15426, 64220), (16055, 61704), (16283, 60840), (17140, 57798), (17784, 55705), (19266, 51420), (20280, 48849), (20568, 48165), (22230, 44564), (22282, 44460), (25688, 38565), (25710, 38532), (28899, 34280), (29640, 33423), (30420, 32566), (30852, 32110)]