80856840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18211}}^1$

素因数の和:18262

約数の個数: 64

約数和(自身を含む): 249140160

約数和(自身を除く): 168283320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 18211, 36422, 54633, 72844, 91055, 109266, 145688, 182110, 218532, 273165, 364220, 437064, 546330, 673807, 728440, 1092660, 1347614, 2021421, 2185320, 2695228, 3369035, 4042842, 5390456, 6738070, 8085684, 10107105, 13476140, 16171368, 20214210, 26952280, 40428420, 80856840]

約数ペア:

[(1, 80856840), (2, 40428420), (3, 26952280), (4, 20214210), (5, 16171368), (6, 13476140), (8, 10107105), (10, 8085684), (12, 6738070), (15, 5390456), (20, 4042842), (24, 3369035), (30, 2695228), (37, 2185320), (40, 2021421), (60, 1347614), (74, 1092660), (111, 728440), (120, 673807), (148, 546330), (185, 437064), (222, 364220), (296, 273165), (370, 218532), (444, 182110), (555, 145688), (740, 109266), (888, 91055), (1110, 72844), (1480, 54633), (2220, 36422), (4440, 18211)]