648450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 1915056

約数和(自身を除く): 1266606

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 131, 150, 165, 198, 225, 262, 275, 330, 393, 450, 495, 550, 655, 786, 825, 990, 1179, 1310, 1441, 1650, 1965, 2358, 2475, 2882, 3275, 3930, 4323, 4950, 5895, 6550, 7205, 8646, 9825, 11790, 12969, 14410, 19650, 21615, 25938, 29475, 36025, 43230, 58950, 64845, 72050, 108075, 129690, 216150, 324225, 648450]

約数ペア:

[(1, 648450), (2, 324225), (3, 216150), (5, 129690), (6, 108075), (9, 72050), (10, 64845), (11, 58950), (15, 43230), (18, 36025), (22, 29475), (25, 25938), (30, 21615), (33, 19650), (45, 14410), (50, 12969), (55, 11790), (66, 9825), (75, 8646), (90, 7205), (99, 6550), (110, 5895), (131, 4950), (150, 4323), (165, 3930), (198, 3275), (225, 2882), (262, 2475), (275, 2358), (330, 1965), (393, 1650), (450, 1441), (495, 1310), (550, 1179), (655, 990), (786, 825)]