78078420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61967}}^1$

素因数の和:61989

約数の個数: 72

約数和(自身を含む): 270676224

約数和(自身を除く): 192597804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 61967, 123934, 185901, 247868, 309835, 371802, 433769, 557703, 619670, 743604, 867538, 929505, 1115406, 1239340, 1301307, 1735076, 1859010, 2168845, 2230812, 2602614, 2788515, 3718020, 3903921, 4337690, 5205228, 5577030, 6506535, 7807842, 8675380, 11154060, 13013070, 15615684, 19519605, 26026140, 39039210, 78078420]

約数ペア:

[(1, 78078420), (2, 39039210), (3, 26026140), (4, 19519605), (5, 15615684), (6, 13013070), (7, 11154060), (9, 8675380), (10, 7807842), (12, 6506535), (14, 5577030), (15, 5205228), (18, 4337690), (20, 3903921), (21, 3718020), (28, 2788515), (30, 2602614), (35, 2230812), (36, 2168845), (42, 1859010), (45, 1735076), (60, 1301307), (63, 1239340), (70, 1115406), (84, 929505), (90, 867538), (105, 743604), (126, 619670), (140, 557703), (180, 433769), (210, 371802), (252, 309835), (315, 247868), (420, 185901), (630, 123934), (1260, 61967)]