144891440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21821}}^1$

素因数の和:21917

約数の個数: 40

約数和(自身を含む): 340946928

約数和(自身を除く): 196055488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 21821, 43642, 87284, 109105, 174568, 218210, 349136, 436420, 872840, 1745680, 1811143, 3622286, 7244572, 9055715, 14489144, 18111430, 28978288, 36222860, 72445720, 144891440]

約数ペア:

[(1, 144891440), (2, 72445720), (4, 36222860), (5, 28978288), (8, 18111430), (10, 14489144), (16, 9055715), (20, 7244572), (40, 3622286), (80, 1811143), (83, 1745680), (166, 872840), (332, 436420), (415, 349136), (664, 218210), (830, 174568), (1328, 109105), (1660, 87284), (3320, 43642), (6640, 21821)]