20161973440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{290351}}^1$

素因数の和:290406

約数の個数: 112

約数和(自身を含む): 56639545344

約数和(自身を除く): 36477571904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 34720, 69440, 290351, 580702, 1161404, 1451755, 2032457, 2322808, 2903510, 4064914, 4645616, 5807020, 8129828, 9000881, 9291232, 10162285, 11614040, 16259656, 18001762, 18582464, 20324570, 23228080, 32519312, 36003524, 40649140, 45004405, 46456160, 63006167, 65038624, 72007048, 81298280, 90008810, 92912320, 126012334, 130077248, 144014096, 162596560, 180017620, 252024668, 288028192, 315030835, 325193120, 360035240, 504049336, 576056384, 630061670, 650386240, 720070480, 1008098672, 1260123340, 1440140960, 2016197344, 2520246680, 2880281920, 4032394688, 5040493360, 10080986720, 20161973440]

約数ペア:

[(1, 20161973440), (2, 10080986720), (4, 5040493360), (5, 4032394688), (7, 2880281920), (8, 2520246680), (10, 2016197344), (14, 1440140960), (16, 1260123340), (20, 1008098672), (28, 720070480), (31, 650386240), (32, 630061670), (35, 576056384), (40, 504049336), (56, 360035240), (62, 325193120), (64, 315030835), (70, 288028192), (80, 252024668), (112, 180017620), (124, 162596560), (140, 144014096), (155, 130077248), (160, 126012334), (217, 92912320), (224, 90008810), (248, 81298280), (280, 72007048), (310, 65038624), (320, 63006167), (434, 46456160), (448, 45004405), (496, 40649140), (560, 36003524), (620, 32519312), (868, 23228080), (992, 20324570), (1085, 18582464), (1120, 18001762), (1240, 16259656), (1736, 11614040), (1984, 10162285), (2170, 9291232), (2240, 9000881), (2480, 8129828), (3472, 5807020), (4340, 4645616), (4960, 4064914), (6944, 2903510), (8680, 2322808), (9920, 2032457), (13888, 1451755), (17360, 1161404), (34720, 580702), (69440, 290351)]