120177980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{821}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 272601504

約数和(自身を除く): 152423524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 563, 821, 1126, 1642, 2252, 2815, 3284, 4105, 5630, 7319, 8210, 10673, 11260, 14638, 16420, 21346, 29276, 36595, 42692, 53365, 73190, 106730, 146380, 213460, 462223, 924446, 1848892, 2311115, 4622230, 6008899, 9244460, 12017798, 24035596, 30044495, 60088990, 120177980]

約数ペア:

[(1, 120177980), (2, 60088990), (4, 30044495), (5, 24035596), (10, 12017798), (13, 9244460), (20, 6008899), (26, 4622230), (52, 2311115), (65, 1848892), (130, 924446), (260, 462223), (563, 213460), (821, 146380), (1126, 106730), (1642, 73190), (2252, 53365), (2815, 42692), (3284, 36595), (4105, 29276), (5630, 21346), (7319, 16420), (8210, 14638), (10673, 11260)]