2656665720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:1062

約数の個数: 192

約数和(自身を含む): 8833968000

約数和(自身を除く): 6177302280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 109, 120, 158, 180, 218, 237, 316, 327, 360, 395, 436, 474, 545, 632, 654, 711, 790, 857, 872, 948, 981, 1090, 1185, 1308, 1422, 1580, 1635, 1714, 1896, 1962, 2180, 2370, 2571, 2616, 2844, 3160, 3270, 3428, 3555, 3924, 4285, 4360, 4740, 4905, 5142, 5688, 6540, 6856, 7110, 7713, 7848, 8570, 8611, 9480, 9810, 10284, 12855, 13080, 14220, 15426, 17140, 17222, 19620, 20568, 25710, 25833, 28440, 30852, 34280, 34444, 38565, 39240, 43055, 51420, 51666, 61704, 67703, 68888, 77130, 77499, 86110, 93413, 102840, 103332, 129165, 135406, 154260, 154998, 172220, 186826, 203109, 206664, 258330, 270812, 280239, 308520, 309996, 338515, 344440, 373652, 387495, 406218, 467065, 516660, 541624, 560478, 609327, 619992, 677030, 747304, 774990, 812436, 840717, 934130, 1015545, 1033320, 1120956, 1218654, 1354060, 1401195, 1549980, 1624872, 1681434, 1868260, 2031090, 2241912, 2437308, 2708120, 2802390, 3046635, 3099960, 3362868, 3736520, 4062180, 4203585, 4874616, 5604780, 6093270, 6725736, 7379627, 8124360, 8407170, 11209560, 12186540, 14759254, 16814340, 22138881, 24373080, 29518508, 33628680, 36898135, 44277762, 59037016, 66416643, 73796270, 88555524, 110694405, 132833286, 147592540, 177111048, 221388810, 265666572, 295185080, 332083215, 442777620, 531333144, 664166430, 885555240, 1328332860, 2656665720]

約数ペア:

[(1, 2656665720), (2, 1328332860), (3, 885555240), (4, 664166430), (5, 531333144), (6, 442777620), (8, 332083215), (9, 295185080), (10, 265666572), (12, 221388810), (15, 177111048), (18, 147592540), (20, 132833286), (24, 110694405), (30, 88555524), (36, 73796270), (40, 66416643), (45, 59037016), (60, 44277762), (72, 36898135), (79, 33628680), (90, 29518508), (109, 24373080), (120, 22138881), (158, 16814340), (180, 14759254), (218, 12186540), (237, 11209560), (316, 8407170), (327, 8124360), (360, 7379627), (395, 6725736), (436, 6093270), (474, 5604780), (545, 4874616), (632, 4203585), (654, 4062180), (711, 3736520), (790, 3362868), (857, 3099960), (872, 3046635), (948, 2802390), (981, 2708120), (1090, 2437308), (1185, 2241912), (1308, 2031090), (1422, 1868260), (1580, 1681434), (1635, 1624872), (1714, 1549980), (1896, 1401195), (1962, 1354060), (2180, 1218654), (2370, 1120956), (2571, 1033320), (2616, 1015545), (2844, 934130), (3160, 840717), (3270, 812436), (3428, 774990), (3555, 747304), (3924, 677030), (4285, 619992), (4360, 609327), (4740, 560478), (4905, 541624), (5142, 516660), (5688, 467065), (6540, 406218), (6856, 387495), (7110, 373652), (7713, 344440), (7848, 338515), (8570, 309996), (8611, 308520), (9480, 280239), (9810, 270812), (10284, 258330), (12855, 206664), (13080, 203109), (14220, 186826), (15426, 172220), (17140, 154998), (17222, 154260), (19620, 135406), (20568, 129165), (25710, 103332), (25833, 102840), (28440, 93413), (30852, 86110), (34280, 77499), (34444, 77130), (38565, 68888), (39240, 67703), (43055, 61704), (51420, 51666)]