71036240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 182399040

約数和(自身を除く): 111362800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 907, 979, 1424, 1780, 1814, 1958, 3560, 3628, 3916, 4535, 4895, 7120, 7256, 7832, 9070, 9790, 9977, 14512, 15664, 18140, 19580, 19954, 36280, 39160, 39908, 49885, 72560, 78320, 79816, 80723, 99770, 159632, 161446, 199540, 322892, 399080, 403615, 645784, 798160, 807230, 887953, 1291568, 1614460, 1775906, 3228920, 3551812, 4439765, 6457840, 7103624, 8879530, 14207248, 17759060, 35518120, 71036240]

約数ペア:

[(1, 71036240), (2, 35518120), (4, 17759060), (5, 14207248), (8, 8879530), (10, 7103624), (11, 6457840), (16, 4439765), (20, 3551812), (22, 3228920), (40, 1775906), (44, 1614460), (55, 1291568), (80, 887953), (88, 807230), (89, 798160), (110, 645784), (176, 403615), (178, 399080), (220, 322892), (356, 199540), (440, 161446), (445, 159632), (712, 99770), (880, 80723), (890, 79816), (907, 78320), (979, 72560), (1424, 49885), (1780, 39908), (1814, 39160), (1958, 36280), (3560, 19954), (3628, 19580), (3916, 18140), (4535, 15664), (4895, 14512), (7120, 9977), (7256, 9790), (7832, 9070)]