78812880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{607}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 245174784

約数和(自身を除く): 166361904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 607, 1082, 1214, 1623, 1821, 2164, 2428, 2705, 3035, 3246, 3642, 4328, 4856, 5410, 6070, 6492, 7284, 8115, 8656, 9105, 9712, 10820, 12140, 12984, 14568, 16230, 18210, 21640, 24280, 25968, 29136, 32460, 36420, 43280, 48560, 64920, 72840, 129840, 145680, 328387, 656774, 985161, 1313548, 1641935, 1970322, 2627096, 3283870, 3940644, 4925805, 5254192, 6567740, 7881288, 9851610, 13135480, 15762576, 19703220, 26270960, 39406440, 78812880]

約数ペア:

[(1, 78812880), (2, 39406440), (3, 26270960), (4, 19703220), (5, 15762576), (6, 13135480), (8, 9851610), (10, 7881288), (12, 6567740), (15, 5254192), (16, 4925805), (20, 3940644), (24, 3283870), (30, 2627096), (40, 1970322), (48, 1641935), (60, 1313548), (80, 985161), (120, 656774), (240, 328387), (541, 145680), (607, 129840), (1082, 72840), (1214, 64920), (1623, 48560), (1821, 43280), (2164, 36420), (2428, 32460), (2705, 29136), (3035, 25968), (3246, 24280), (3642, 21640), (4328, 18210), (4856, 16230), (5410, 14568), (6070, 12984), (6492, 12140), (7284, 10820), (8115, 9712), (8656, 9105)]