20698698120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1\times {\mathrm{3593}}^1$

素因数の和:4455

約数の個数: 128

約数和(自身を含む): 63211847040

約数和(自身を除く): 42513148920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 787, 915, 1220, 1464, 1574, 1830, 2361, 2440, 3148, 3593, 3660, 3935, 4722, 6296, 7186, 7320, 7870, 9444, 10779, 11805, 14372, 15740, 17965, 18888, 21558, 23610, 28744, 31480, 35930, 43116, 47220, 48007, 53895, 71860, 86232, 94440, 96014, 107790, 143720, 144021, 192028, 215580, 219173, 240035, 288042, 384056, 431160, 438346, 480070, 576084, 657519, 720105, 876692, 960140, 1095865, 1152168, 1315038, 1440210, 1753384, 1920280, 2191730, 2630076, 2827691, 2880420, 3287595, 4383460, 5260152, 5655382, 5760840, 6575190, 8483073, 8766920, 11310764, 13150380, 14138455, 16966146, 22621528, 26300760, 28276910, 33932292, 42415365, 56553820, 67864584, 84830730, 113107640, 169661460, 172489151, 339322920, 344978302, 517467453, 689956604, 862445755, 1034934906, 1379913208, 1724891510, 2069869812, 2587337265, 3449783020, 4139739624, 5174674530, 6899566040, 10349349060, 20698698120]

約数ペア:

[(1, 20698698120), (2, 10349349060), (3, 6899566040), (4, 5174674530), (5, 4139739624), (6, 3449783020), (8, 2587337265), (10, 2069869812), (12, 1724891510), (15, 1379913208), (20, 1034934906), (24, 862445755), (30, 689956604), (40, 517467453), (60, 344978302), (61, 339322920), (120, 172489151), (122, 169661460), (183, 113107640), (244, 84830730), (305, 67864584), (366, 56553820), (488, 42415365), (610, 33932292), (732, 28276910), (787, 26300760), (915, 22621528), (1220, 16966146), (1464, 14138455), (1574, 13150380), (1830, 11310764), (2361, 8766920), (2440, 8483073), (3148, 6575190), (3593, 5760840), (3660, 5655382), (3935, 5260152), (4722, 4383460), (6296, 3287595), (7186, 2880420), (7320, 2827691), (7870, 2630076), (9444, 2191730), (10779, 1920280), (11805, 1753384), (14372, 1440210), (15740, 1315038), (17965, 1152168), (18888, 1095865), (21558, 960140), (23610, 876692), (28744, 720105), (31480, 657519), (35930, 576084), (43116, 480070), (47220, 438346), (48007, 431160), (53895, 384056), (71860, 288042), (86232, 240035), (94440, 219173), (96014, 215580), (107790, 192028), (143720, 144021)]