1808404080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15161}}^1$

素因数の和:15255

約数の個数: 160

約数和(自身を含む): 6497584128

約数和(自身を除く): 4689180048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2485, 2840, 2982, 3408, 3976, 4260, 4970, 5680, 5964, 7455, 7952, 8520, 9940, 11928, 14910, 15161, 17040, 19880, 23856, 29820, 30322, 39760, 45483, 59640, 60644, 75805, 90966, 106127, 119280, 121288, 151610, 181932, 212254, 227415, 242576, 303220, 318381, 363864, 424508, 454830, 530635, 606440, 636762, 727728, 849016, 909660, 1061270, 1076431, 1212880, 1273524, 1591905, 1698032, 1819320, 2122540, 2152862, 2547048, 3183810, 3229293, 3638640, 4245080, 4305724, 5094096, 5382155, 6367620, 6458586, 7535017, 8490160, 8611448, 10764310, 12735240, 12917172, 15070034, 16146465, 17222896, 21528620, 22605051, 25470480, 25834344, 30140068, 32292930, 37675085, 43057240, 45210102, 51668688, 60280136, 64585860, 75350170, 86114480, 90420204, 113025255, 120560272, 129171720, 150700340, 180840408, 226050510, 258343440, 301400680, 361680816, 452101020, 602801360, 904202040, 1808404080]

約数ペア:

[(1, 1808404080), (2, 904202040), (3, 602801360), (4, 452101020), (5, 361680816), (6, 301400680), (7, 258343440), (8, 226050510), (10, 180840408), (12, 150700340), (14, 129171720), (15, 120560272), (16, 113025255), (20, 90420204), (21, 86114480), (24, 75350170), (28, 64585860), (30, 60280136), (35, 51668688), (40, 45210102), (42, 43057240), (48, 37675085), (56, 32292930), (60, 30140068), (70, 25834344), (71, 25470480), (80, 22605051), (84, 21528620), (105, 17222896), (112, 16146465), (120, 15070034), (140, 12917172), (142, 12735240), (168, 10764310), (210, 8611448), (213, 8490160), (240, 7535017), (280, 6458586), (284, 6367620), (336, 5382155), (355, 5094096), (420, 4305724), (426, 4245080), (497, 3638640), (560, 3229293), (568, 3183810), (710, 2547048), (840, 2152862), (852, 2122540), (994, 1819320), (1065, 1698032), (1136, 1591905), (1420, 1273524), (1491, 1212880), (1680, 1076431), (1704, 1061270), (1988, 909660), (2130, 849016), (2485, 727728), (2840, 636762), (2982, 606440), (3408, 530635), (3976, 454830), (4260, 424508), (4970, 363864), (5680, 318381), (5964, 303220), (7455, 242576), (7952, 227415), (8520, 212254), (9940, 181932), (11928, 151610), (14910, 121288), (15161, 119280), (17040, 106127), (19880, 90966), (23856, 75805), (29820, 60644), (30322, 59640), (39760, 45483)]