128156980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 320060160

約数和(自身を除く): 191903180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 83, 140, 164, 166, 205, 269, 287, 332, 410, 415, 538, 574, 581, 820, 830, 1076, 1148, 1162, 1345, 1435, 1660, 1883, 2324, 2690, 2870, 2905, 3403, 3766, 5380, 5740, 5810, 6806, 7532, 9415, 11029, 11620, 13612, 17015, 18830, 22058, 22327, 23821, 34030, 37660, 44116, 44654, 47642, 55145, 68060, 77203, 89308, 95284, 110290, 111635, 119105, 154406, 156289, 220580, 223270, 238210, 308812, 312578, 386015, 446540, 476420, 625156, 772030, 781445, 915407, 1544060, 1562890, 1830814, 3125780, 3661628, 4577035, 6407849, 9154070, 12815698, 18308140, 25631396, 32039245, 64078490, 128156980]

約数ペア:

[(1, 128156980), (2, 64078490), (4, 32039245), (5, 25631396), (7, 18308140), (10, 12815698), (14, 9154070), (20, 6407849), (28, 4577035), (35, 3661628), (41, 3125780), (70, 1830814), (82, 1562890), (83, 1544060), (140, 915407), (164, 781445), (166, 772030), (205, 625156), (269, 476420), (287, 446540), (332, 386015), (410, 312578), (415, 308812), (538, 238210), (574, 223270), (581, 220580), (820, 156289), (830, 154406), (1076, 119105), (1148, 111635), (1162, 110290), (1345, 95284), (1435, 89308), (1660, 77203), (1883, 68060), (2324, 55145), (2690, 47642), (2870, 44654), (2905, 44116), (3403, 37660), (3766, 34030), (5380, 23821), (5740, 22327), (5810, 22058), (6806, 18830), (7532, 17015), (9415, 13612), (11029, 11620)]