1639458420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{635449}}^1$

素因数の和:635504

約数の個数: 48

約数和(自身を含む): 4697246400

約数和(自身を除く): 3057787980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 635449, 1270898, 1906347, 2541796, 3177245, 3812694, 6354490, 7625388, 9531735, 12708980, 19063470, 27324307, 38126940, 54648614, 81972921, 109297228, 136621535, 163945842, 273243070, 327891684, 409864605, 546486140, 819729210, 1639458420]

約数ペア:

[(1, 1639458420), (2, 819729210), (3, 546486140), (4, 409864605), (5, 327891684), (6, 273243070), (10, 163945842), (12, 136621535), (15, 109297228), (20, 81972921), (30, 54648614), (43, 38126940), (60, 27324307), (86, 19063470), (129, 12708980), (172, 9531735), (215, 7625388), (258, 6354490), (430, 3812694), (516, 3177245), (645, 2541796), (860, 1906347), (1290, 1270898), (2580, 635449)]