1305180580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 3047466240

約数和(自身を除く): 1742285660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 151, 202, 220, 302, 389, 404, 505, 604, 755, 778, 1010, 1111, 1510, 1556, 1661, 1945, 2020, 2222, 3020, 3322, 3890, 4279, 4444, 5555, 6644, 7780, 8305, 8558, 11110, 15251, 16610, 17116, 21395, 22220, 30502, 33220, 39289, 42790, 58739, 61004, 76255, 78578, 85580, 117478, 152510, 157156, 167761, 196445, 234956, 293695, 305020, 335522, 392890, 432179, 587390, 646129, 671044, 785780, 838805, 864358, 1174780, 1292258, 1677610, 1728716, 2160895, 2584516, 3230645, 3355220, 4321790, 5932639, 6461290, 8643580, 11865278, 12922580, 23730556, 29663195, 59326390, 65259029, 118652780, 130518058, 261036116, 326295145, 652590290, 1305180580]

約数ペア:

[(1, 1305180580), (2, 652590290), (4, 326295145), (5, 261036116), (10, 130518058), (11, 118652780), (20, 65259029), (22, 59326390), (44, 29663195), (55, 23730556), (101, 12922580), (110, 11865278), (151, 8643580), (202, 6461290), (220, 5932639), (302, 4321790), (389, 3355220), (404, 3230645), (505, 2584516), (604, 2160895), (755, 1728716), (778, 1677610), (1010, 1292258), (1111, 1174780), (1510, 864358), (1556, 838805), (1661, 785780), (1945, 671044), (2020, 646129), (2222, 587390), (3020, 432179), (3322, 392890), (3890, 335522), (4279, 305020), (4444, 293695), (5555, 234956), (6644, 196445), (7780, 167761), (8305, 157156), (8558, 152510), (11110, 117478), (15251, 85580), (16610, 78578), (17116, 76255), (21395, 61004), (22220, 58739), (30502, 42790), (33220, 39289)]