78708420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62467}}^1$

素因数の和:62489

約数の個数: 72

約数和(自身を含む): 272860224

約数和(自身を除く): 194151804

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, 62467, 124934, 187401, 249868, 312335, 374802, 437269, 562203, 624670, 749604, 874538, 937005, 1124406, 1249340, 1311807, 1749076, 1874010, 2186345, 2248812, 2623614, 2811015, 3748020, 3935421, 4372690, 5247228, 5622030, 6559035, 7870842, 8745380, 11244060, 13118070, 15741684, 19677105, 26236140, 39354210, 78708420]

約数ペア:

[(1, 78708420), (2, 39354210), (3, 26236140), (4, 19677105), (5, 15741684), (6, 13118070), (7, 11244060), (9, 8745380), (10, 7870842), (12, 6559035), (14, 5622030), (15, 5247228), (18, 4372690), (20, 3935421), (21, 3748020), (28, 2811015), (30, 2623614), (35, 2248812), (36, 2186345), (42, 1874010), (45, 1749076), (60, 1311807), (63, 1249340), (70, 1124406), (84, 937005), (90, 874538), (105, 749604), (126, 624670), (140, 562203), (180, 437269), (210, 374802), (252, 312335), (315, 249868), (420, 187401), (630, 124934), (1260, 62467)]