21679565520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{67261}}^1$

素因数の和:67373

約数の個数: 160

約数和(自身を含む): 72061816320

約数和(自身を除く): 50382250800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 79, 80, 85, 102, 120, 136, 158, 170, 204, 237, 240, 255, 272, 316, 340, 395, 408, 474, 510, 632, 680, 790, 816, 948, 1020, 1185, 1264, 1343, 1360, 1580, 1896, 2040, 2370, 2686, 3160, 3792, 4029, 4080, 4740, 5372, 6320, 6715, 8058, 9480, 10744, 13430, 16116, 18960, 20145, 21488, 26860, 32232, 40290, 53720, 64464, 67261, 80580, 107440, 134522, 161160, 201783, 269044, 322320, 336305, 403566, 538088, 672610, 807132, 1008915, 1076176, 1143437, 1345220, 1614264, 2017830, 2286874, 2690440, 3228528, 3430311, 4035660, 4573748, 5313619, 5380880, 5717185, 6860622, 8071320, 9147496, 10627238, 11434370, 13721244, 15940857, 16142640, 17151555, 18294992, 21254476, 22868740, 26568095, 27442488, 31881714, 34303110, 42508952, 45737480, 53136190, 54884976, 63763428, 68606220, 79704285, 85017904, 90331523, 91474960, 106272380, 127526856, 137212440, 159408570, 180663046, 212544760, 255053712, 270994569, 274424880, 318817140, 361326092, 425089520, 451657615, 541989138, 637634280, 722652184, 903315230, 1083978276, 1275268560, 1354972845, 1445304368, 1806630460, 2167956552, 2709945690, 3613260920, 4335913104, 5419891380, 7226521840, 10839782760, 21679565520]

約数ペア:

[(1, 21679565520), (2, 10839782760), (3, 7226521840), (4, 5419891380), (5, 4335913104), (6, 3613260920), (8, 2709945690), (10, 2167956552), (12, 1806630460), (15, 1445304368), (16, 1354972845), (17, 1275268560), (20, 1083978276), (24, 903315230), (30, 722652184), (34, 637634280), (40, 541989138), (48, 451657615), (51, 425089520), (60, 361326092), (68, 318817140), (79, 274424880), (80, 270994569), (85, 255053712), (102, 212544760), (120, 180663046), (136, 159408570), (158, 137212440), (170, 127526856), (204, 106272380), (237, 91474960), (240, 90331523), (255, 85017904), (272, 79704285), (316, 68606220), (340, 63763428), (395, 54884976), (408, 53136190), (474, 45737480), (510, 42508952), (632, 34303110), (680, 31881714), (790, 27442488), (816, 26568095), (948, 22868740), (1020, 21254476), (1185, 18294992), (1264, 17151555), (1343, 16142640), (1360, 15940857), (1580, 13721244), (1896, 11434370), (2040, 10627238), (2370, 9147496), (2686, 8071320), (3160, 6860622), (3792, 5717185), (4029, 5380880), (4080, 5313619), (4740, 4573748), (5372, 4035660), (6320, 3430311), (6715, 3228528), (8058, 2690440), (9480, 2286874), (10744, 2017830), (13430, 1614264), (16116, 1345220), (18960, 1143437), (20145, 1076176), (21488, 1008915), (26860, 807132), (32232, 672610), (40290, 538088), (53720, 403566), (64464, 336305), (67261, 322320), (80580, 269044), (107440, 201783), (134522, 161160)]