80925660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 261424800

約数和(自身を除く): 180499140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 111, 116, 145, 148, 174, 180, 185, 222, 261, 290, 333, 348, 370, 419, 435, 444, 522, 555, 580, 666, 740, 838, 870, 1044, 1073, 1110, 1257, 1305, 1332, 1665, 1676, 1740, 2095, 2146, 2220, 2514, 2610, 3219, 3330, 3771, 4190, 4292, 5028, 5220, 5365, 6285, 6438, 6660, 7542, 8380, 9657, 10730, 12151, 12570, 12876, 15084, 15503, 16095, 18855, 19314, 21460, 24302, 25140, 31006, 32190, 36453, 37710, 38628, 46509, 48285, 48604, 60755, 62012, 64380, 72906, 75420, 77515, 93018, 96570, 109359, 121510, 139527, 145812, 155030, 182265, 186036, 193140, 218718, 232545, 243020, 279054, 310060, 364530, 437436, 449587, 465090, 546795, 558108, 697635, 729060, 899174, 930180, 1093590, 1348761, 1395270, 1798348, 2187180, 2247935, 2697522, 2790540, 4046283, 4495870, 5395044, 6743805, 8092566, 8991740, 13487610, 16185132, 20231415, 26975220, 40462830, 80925660]

約数ペア:

[(1, 80925660), (2, 40462830), (3, 26975220), (4, 20231415), (5, 16185132), (6, 13487610), (9, 8991740), (10, 8092566), (12, 6743805), (15, 5395044), (18, 4495870), (20, 4046283), (29, 2790540), (30, 2697522), (36, 2247935), (37, 2187180), (45, 1798348), (58, 1395270), (60, 1348761), (74, 1093590), (87, 930180), (90, 899174), (111, 729060), (116, 697635), (145, 558108), (148, 546795), (174, 465090), (180, 449587), (185, 437436), (222, 364530), (261, 310060), (290, 279054), (333, 243020), (348, 232545), (370, 218718), (419, 193140), (435, 186036), (444, 182265), (522, 155030), (555, 145812), (580, 139527), (666, 121510), (740, 109359), (838, 96570), (870, 93018), (1044, 77515), (1073, 75420), (1110, 72906), (1257, 64380), (1305, 62012), (1332, 60755), (1665, 48604), (1676, 48285), (1740, 46509), (2095, 38628), (2146, 37710), (2220, 36453), (2514, 32190), (2610, 31006), (3219, 25140), (3330, 24302), (3771, 21460), (4190, 19314), (4292, 18855), (5028, 16095), (5220, 15503), (5365, 15084), (6285, 12876), (6438, 12570), (6660, 12151), (7542, 10730), (8380, 9657)]