1656808020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1633

約数の個数: 288

約数和(自身を含む): 6152380416

約数和(自身を除く): 4495572396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 243, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 486, 540, 558, 567, 620, 630, 651, 756, 810, 837, 868, 930, 945, 972, 1085, 1116, 1134, 1215, 1260, 1302, 1395, 1571, 1620, 1674, 1701, 1860, 1890, 1953, 2170, 2268, 2430, 2511, 2604, 2790, 2835, 3142, 3255, 3348, 3402, 3780, 3906, 4185, 4340, 4713, 4860, 5022, 5580, 5670, 5859, 6284, 6510, 6804, 7533, 7812, 7855, 8370, 8505, 9426, 9765, 10044, 10997, 11340, 11718, 12555, 13020, 14139, 15066, 15710, 16740, 17010, 17577, 18852, 19530, 21994, 23436, 23565, 25110, 28278, 29295, 30132, 31420, 32991, 34020, 35154, 37665, 39060, 42417, 43988, 47130, 48701, 50220, 52731, 54985, 56556, 58590, 65982, 70308, 70695, 75330, 84834, 87885, 94260, 97402, 98973, 105462, 109970, 117180, 127251, 131964, 141390, 146103, 150660, 164955, 169668, 175770, 194804, 197946, 210924, 212085, 219940, 243505, 254502, 263655, 282780, 292206, 296919, 329910, 340907, 351540, 381753, 395892, 424170, 438309, 487010, 494865, 509004, 527310, 584412, 593838, 636255, 659820, 681814, 730515, 763506, 848340, 876618, 890757, 974020, 989730, 1022721, 1054620, 1187676, 1272510, 1314927, 1363628, 1461030, 1484595, 1527012, 1704535, 1753236, 1781514, 1908765, 1979460, 2045442, 2191545, 2545020, 2629854, 2672271, 2922060, 2969190, 3068163, 3409070, 3563028, 3817530, 3944781, 4090884, 4383090, 4453785, 5113605, 5259708, 5344542, 5938380, 6136326, 6574635, 6818140, 7635060, 7889562, 8766180, 8907570, 9204489, 10227210, 10689084, 11834343, 12272652, 13149270, 13361355, 15340815, 15779124, 17815140, 18408978, 19723905, 20454420, 23668686, 26298540, 26722710, 27613467, 30681630, 36817956, 39447810, 46022445, 47337372, 53445420, 55226934, 59171715, 61363260, 78895620, 82840401, 92044890, 110453868, 118343430, 138067335, 165680802, 184089780, 236686860, 276134670, 331361604, 414202005, 552269340, 828404010, 1656808020]

約数ペア:

[(1, 1656808020), (2, 828404010), (3, 552269340), (4, 414202005), (5, 331361604), (6, 276134670), (7, 236686860), (9, 184089780), (10, 165680802), (12, 138067335), (14, 118343430), (15, 110453868), (18, 92044890), (20, 82840401), (21, 78895620), (27, 61363260), (28, 59171715), (30, 55226934), (31, 53445420), (35, 47337372), (36, 46022445), (42, 39447810), (45, 36817956), (54, 30681630), (60, 27613467), (62, 26722710), (63, 26298540), (70, 23668686), (81, 20454420), (84, 19723905), (90, 18408978), (93, 17815140), (105, 15779124), (108, 15340815), (124, 13361355), (126, 13149270), (135, 12272652), (140, 11834343), (155, 10689084), (162, 10227210), (180, 9204489), (186, 8907570), (189, 8766180), (210, 7889562), (217, 7635060), (243, 6818140), (252, 6574635), (270, 6136326), (279, 5938380), (310, 5344542), (315, 5259708), (324, 5113605), (372, 4453785), (378, 4383090), (405, 4090884), (420, 3944781), (434, 3817530), (465, 3563028), (486, 3409070), (540, 3068163), (558, 2969190), (567, 2922060), (620, 2672271), (630, 2629854), (651, 2545020), (756, 2191545), (810, 2045442), (837, 1979460), (868, 1908765), (930, 1781514), (945, 1753236), (972, 1704535), (1085, 1527012), (1116, 1484595), (1134, 1461030), (1215, 1363628), (1260, 1314927), (1302, 1272510), (1395, 1187676), (1571, 1054620), (1620, 1022721), (1674, 989730), (1701, 974020), (1860, 890757), (1890, 876618), (1953, 848340), (2170, 763506), (2268, 730515), (2430, 681814), (2511, 659820), (2604, 636255), (2790, 593838), (2835, 584412), (3142, 527310), (3255, 509004), (3348, 494865), (3402, 487010), (3780, 438309), (3906, 424170), (4185, 395892), (4340, 381753), (4713, 351540), (4860, 340907), (5022, 329910), (5580, 296919), (5670, 292206), (5859, 282780), (6284, 263655), (6510, 254502), (6804, 243505), (7533, 219940), (7812, 212085), (7855, 210924), (8370, 197946), (8505, 194804), (9426, 175770), (9765, 169668), (10044, 164955), (10997, 150660), (11340, 146103), (11718, 141390), (12555, 131964), (13020, 127251), (14139, 117180), (15066, 109970), (15710, 105462), (16740, 98973), (17010, 97402), (17577, 94260), (18852, 87885), (19530, 84834), (21994, 75330), (23436, 70695), (23565, 70308), (25110, 65982), (28278, 58590), (29295, 56556), (30132, 54985), (31420, 52731), (32991, 50220), (34020, 48701), (35154, 47130), (37665, 43988), (39060, 42417)]