40720222980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251639}}^1$

素因数の和:251714

約数の個数: 144

約数和(自身を含む): 131899622400

約数和(自身を除く): 91179399420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 1044, 1116, 1305, 1395, 1740, 1798, 1860, 2610, 2697, 2790, 3596, 4495, 5220, 5394, 5580, 8091, 8990, 10788, 13485, 16182, 17980, 26970, 32364, 40455, 53940, 80910, 161820, 251639, 503278, 754917, 1006556, 1258195, 1509834, 2264751, 2516390, 3019668, 3774585, 4529502, 5032780, 7297531, 7549170, 7800809, 9059004, 11323755, 14595062, 15098340, 15601618, 21892593, 22647510, 23402427, 29190124, 31203236, 36487655, 39004045, 43785186, 45295020, 46804854, 65677779, 70207281, 72975310, 78008090, 87570372, 93609708, 109462965, 117012135, 131355558, 140414562, 145950620, 156016180, 218925930, 226223461, 234024270, 262711116, 280829124, 328388895, 351036405, 437851860, 452446922, 468048540, 656777790, 678670383, 702072810, 904893844, 1131117305, 1313555580, 1357340766, 1404145620, 2036011149, 2262234610, 2714681532, 3393351915, 4072022298, 4524469220, 6786703830, 8144044596, 10180055745, 13573407660, 20360111490, 40720222980]

約数ペア:

[(1, 40720222980), (2, 20360111490), (3, 13573407660), (4, 10180055745), (5, 8144044596), (6, 6786703830), (9, 4524469220), (10, 4072022298), (12, 3393351915), (15, 2714681532), (18, 2262234610), (20, 2036011149), (29, 1404145620), (30, 1357340766), (31, 1313555580), (36, 1131117305), (45, 904893844), (58, 702072810), (60, 678670383), (62, 656777790), (87, 468048540), (90, 452446922), (93, 437851860), (116, 351036405), (124, 328388895), (145, 280829124), (155, 262711116), (174, 234024270), (180, 226223461), (186, 218925930), (261, 156016180), (279, 145950620), (290, 140414562), (310, 131355558), (348, 117012135), (372, 109462965), (435, 93609708), (465, 87570372), (522, 78008090), (558, 72975310), (580, 70207281), (620, 65677779), (870, 46804854), (899, 45295020), (930, 43785186), (1044, 39004045), (1116, 36487655), (1305, 31203236), (1395, 29190124), (1740, 23402427), (1798, 22647510), (1860, 21892593), (2610, 15601618), (2697, 15098340), (2790, 14595062), (3596, 11323755), (4495, 9059004), (5220, 7800809), (5394, 7549170), (5580, 7297531), (8091, 5032780), (8990, 4529502), (10788, 3774585), (13485, 3019668), (16182, 2516390), (17980, 2264751), (26970, 1509834), (32364, 1258195), (40455, 1006556), (53940, 754917), (80910, 503278), (161820, 251639)]