78327220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 93133580

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 1619, 2419, 3238, 4838, 6476, 8095, 9676, 12095, 16190, 24190, 32380, 48380, 66379, 95521, 132758, 191042, 265516, 331895, 382084, 477605, 663790, 955210, 1327580, 1910420, 3916361, 7832722, 15665444, 19581805, 39163610, 78327220]

約数ペア:

[(1, 78327220), (2, 39163610), (4, 19581805), (5, 15665444), (10, 7832722), (20, 3916361), (41, 1910420), (59, 1327580), (82, 955210), (118, 663790), (164, 477605), (205, 382084), (236, 331895), (295, 265516), (410, 191042), (590, 132758), (820, 95521), (1180, 66379), (1619, 48380), (2419, 32380), (3238, 24190), (4838, 16190), (6476, 12095), (8095, 9676)]