142101080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7877}}^1$

素因数の和:7940

約数の個数: 64

約数和(自身を含む): 357346080

約数和(自身を除く): 215245000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 7877, 9020, 15754, 18040, 31508, 39385, 63016, 78770, 86647, 157540, 173294, 315080, 322957, 346588, 433235, 645914, 693176, 866470, 1291828, 1614785, 1732940, 2583656, 3229570, 3465880, 3552527, 6459140, 7105054, 12918280, 14210108, 17762635, 28420216, 35525270, 71050540, 142101080]

約数ペア:

[(1, 142101080), (2, 71050540), (4, 35525270), (5, 28420216), (8, 17762635), (10, 14210108), (11, 12918280), (20, 7105054), (22, 6459140), (40, 3552527), (41, 3465880), (44, 3229570), (55, 2583656), (82, 1732940), (88, 1614785), (110, 1291828), (164, 866470), (205, 693176), (220, 645914), (328, 433235), (410, 346588), (440, 322957), (451, 315080), (820, 173294), (902, 157540), (1640, 86647), (1804, 78770), (2255, 63016), (3608, 39385), (4510, 31508), (7877, 18040), (9020, 15754)]