72868400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{16561}}^1$

素因数の和:16590

約数の個数: 60

約数和(自身を含む): 190992984

約数和(自身を除く): 118124584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 16561, 33122, 66244, 82805, 132488, 165610, 182171, 264976, 331220, 364342, 414025, 662440, 728684, 828050, 910855, 1324880, 1457368, 1656100, 1821710, 2914736, 3312200, 3643420, 4554275, 6624400, 7286840, 9108550, 14573680, 18217100, 36434200, 72868400]

約数ペア:

[(1, 72868400), (2, 36434200), (4, 18217100), (5, 14573680), (8, 9108550), (10, 7286840), (11, 6624400), (16, 4554275), (20, 3643420), (22, 3312200), (25, 2914736), (40, 1821710), (44, 1656100), (50, 1457368), (55, 1324880), (80, 910855), (88, 828050), (100, 728684), (110, 662440), (176, 414025), (200, 364342), (220, 331220), (275, 264976), (400, 182171), (440, 165610), (550, 132488), (880, 82805), (1100, 66244), (2200, 33122), (4400, 16561)]