28153020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3943}}^1$

素因数の和:3979

約数の個数: 96

約数和(自身を含む): 95413248

約数和(自身を除く): 67260228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 3943, 7140, 7886, 11829, 15772, 19715, 23658, 27601, 39430, 47316, 55202, 59145, 67031, 78860, 82803, 110404, 118290, 134062, 138005, 165606, 201093, 236580, 268124, 276010, 331212, 335155, 402186, 414015, 469217, 552020, 670310, 804372, 828030, 938434, 1005465, 1340620, 1407651, 1656060, 1876868, 2010930, 2346085, 2815302, 4021860, 4692170, 5630604, 7038255, 9384340, 14076510, 28153020]

約数ペア:

[(1, 28153020), (2, 14076510), (3, 9384340), (4, 7038255), (5, 5630604), (6, 4692170), (7, 4021860), (10, 2815302), (12, 2346085), (14, 2010930), (15, 1876868), (17, 1656060), (20, 1407651), (21, 1340620), (28, 1005465), (30, 938434), (34, 828030), (35, 804372), (42, 670310), (51, 552020), (60, 469217), (68, 414015), (70, 402186), (84, 335155), (85, 331212), (102, 276010), (105, 268124), (119, 236580), (140, 201093), (170, 165606), (204, 138005), (210, 134062), (238, 118290), (255, 110404), (340, 82803), (357, 78860), (420, 67031), (476, 59145), (510, 55202), (595, 47316), (714, 39430), (1020, 27601), (1190, 23658), (1428, 19715), (1785, 15772), (2380, 11829), (3570, 7886), (3943, 7140)]