129825520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4759}}^1$

素因数の和:4814

約数の個数: 80

約数和(自身を含む): 339978240

約数和(自身を除く): 210152720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 4759, 5456, 6820, 9518, 13640, 19036, 23795, 27280, 38072, 47590, 52349, 76144, 95180, 104698, 147529, 190360, 209396, 261745, 295058, 380720, 418792, 523490, 590116, 737645, 837584, 1046980, 1180232, 1475290, 1622819, 2093960, 2360464, 2950580, 3245638, 4187920, 5901160, 6491276, 8114095, 11802320, 12982552, 16228190, 25965104, 32456380, 64912760, 129825520]

約数ペア:

[(1, 129825520), (2, 64912760), (4, 32456380), (5, 25965104), (8, 16228190), (10, 12982552), (11, 11802320), (16, 8114095), (20, 6491276), (22, 5901160), (31, 4187920), (40, 3245638), (44, 2950580), (55, 2360464), (62, 2093960), (80, 1622819), (88, 1475290), (110, 1180232), (124, 1046980), (155, 837584), (176, 737645), (220, 590116), (248, 523490), (310, 418792), (341, 380720), (440, 295058), (496, 261745), (620, 209396), (682, 190360), (880, 147529), (1240, 104698), (1364, 95180), (1705, 76144), (2480, 52349), (2728, 47590), (3410, 38072), (4759, 27280), (5456, 23795), (6820, 19036), (9518, 13640)]