80956980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1250

約数の個数: 144

約数和(自身を含む): 273808080

約数和(自身を除く): 192851100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1193, 1305, 1508, 1740, 1885, 2262, 2340, 2386, 2610, 3393, 3579, 3770, 4524, 4772, 5220, 5655, 5965, 6786, 7158, 7540, 10737, 11310, 11930, 13572, 14316, 15509, 16965, 17895, 21474, 22620, 23860, 31018, 33930, 34597, 35790, 42948, 46527, 53685, 62036, 67860, 69194, 71580, 77545, 93054, 103791, 107370, 138388, 139581, 155090, 172985, 186108, 207582, 214740, 232635, 279162, 310180, 311373, 345970, 415164, 449761, 465270, 518955, 558324, 622746, 691940, 697905, 899522, 930540, 1037910, 1245492, 1349283, 1395810, 1556865, 1799044, 2075820, 2248805, 2698566, 2791620, 3113730, 4047849, 4497610, 5397132, 6227460, 6746415, 8095698, 8995220, 13492830, 16191396, 20239245, 26985660, 40478490, 80956980]

約数ペア:

[(1, 80956980), (2, 40478490), (3, 26985660), (4, 20239245), (5, 16191396), (6, 13492830), (9, 8995220), (10, 8095698), (12, 6746415), (13, 6227460), (15, 5397132), (18, 4497610), (20, 4047849), (26, 3113730), (29, 2791620), (30, 2698566), (36, 2248805), (39, 2075820), (45, 1799044), (52, 1556865), (58, 1395810), (60, 1349283), (65, 1245492), (78, 1037910), (87, 930540), (90, 899522), (116, 697905), (117, 691940), (130, 622746), (145, 558324), (156, 518955), (174, 465270), (180, 449761), (195, 415164), (234, 345970), (260, 311373), (261, 310180), (290, 279162), (348, 232635), (377, 214740), (390, 207582), (435, 186108), (468, 172985), (522, 155090), (580, 139581), (585, 138388), (754, 107370), (780, 103791), (870, 93054), (1044, 77545), (1131, 71580), (1170, 69194), (1193, 67860), (1305, 62036), (1508, 53685), (1740, 46527), (1885, 42948), (2262, 35790), (2340, 34597), (2386, 33930), (2610, 31018), (3393, 23860), (3579, 22620), (3770, 21474), (4524, 17895), (4772, 16965), (5220, 15509), (5655, 14316), (5965, 13572), (6786, 11930), (7158, 11310), (7540, 10737)]