78144080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3036

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 133985200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 2969, 3290, 3760, 5264, 5938, 6580, 11876, 13160, 14845, 20783, 23752, 26320, 29690, 41566, 47504, 59380, 83132, 103915, 118760, 139543, 166264, 207830, 237520, 279086, 332528, 415660, 558172, 697715, 831320, 976801, 1116344, 1395430, 1662640, 1953602, 2232688, 2790860, 3907204, 4884005, 5581720, 7814408, 9768010, 11163440, 15628816, 19536020, 39072040, 78144080]

約数ペア:

[(1, 78144080), (2, 39072040), (4, 19536020), (5, 15628816), (7, 11163440), (8, 9768010), (10, 7814408), (14, 5581720), (16, 4884005), (20, 3907204), (28, 2790860), (35, 2232688), (40, 1953602), (47, 1662640), (56, 1395430), (70, 1116344), (80, 976801), (94, 831320), (112, 697715), (140, 558172), (188, 415660), (235, 332528), (280, 279086), (329, 237520), (376, 207830), (470, 166264), (560, 139543), (658, 118760), (752, 103915), (940, 83132), (1316, 59380), (1645, 47504), (1880, 41566), (2632, 29690), (2969, 26320), (3290, 23752), (3760, 20783), (5264, 14845), (5938, 13160), (6580, 11876)]