71040420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35879}}^1$

素因数の和:35905

約数の個数: 72

約数和(自身を含む): 235085760

約数和(自身を除く): 164045340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 35879, 71758, 107637, 143516, 179395, 215274, 322911, 358790, 394669, 430548, 538185, 645822, 717580, 789338, 1076370, 1184007, 1291644, 1578676, 1614555, 1973345, 2152740, 2368014, 3229110, 3552021, 3946690, 4736028, 5920035, 6458220, 7104042, 7893380, 11840070, 14208084, 17760105, 23680140, 35520210, 71040420]

約数ペア:

[(1, 71040420), (2, 35520210), (3, 23680140), (4, 17760105), (5, 14208084), (6, 11840070), (9, 7893380), (10, 7104042), (11, 6458220), (12, 5920035), (15, 4736028), (18, 3946690), (20, 3552021), (22, 3229110), (30, 2368014), (33, 2152740), (36, 1973345), (44, 1614555), (45, 1578676), (55, 1291644), (60, 1184007), (66, 1076370), (90, 789338), (99, 717580), (110, 645822), (132, 538185), (165, 430548), (180, 394669), (198, 358790), (220, 322911), (330, 215274), (396, 179395), (495, 143516), (660, 107637), (990, 71758), (1980, 35879)]