255845460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328007}}^1$

素因数の和:328032

約数の個数: 48

約数和(自身を含む): 771474816

約数和(自身を除く): 515629356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 328007, 656014, 984021, 1312028, 1640035, 1968042, 3280070, 3936084, 4264091, 4920105, 6560140, 8528182, 9840210, 12792273, 17056364, 19680420, 21320455, 25584546, 42640910, 51169092, 63961365, 85281820, 127922730, 255845460]

約数ペア:

[(1, 255845460), (2, 127922730), (3, 85281820), (4, 63961365), (5, 51169092), (6, 42640910), (10, 25584546), (12, 21320455), (13, 19680420), (15, 17056364), (20, 12792273), (26, 9840210), (30, 8528182), (39, 6560140), (52, 4920105), (60, 4264091), (65, 3936084), (78, 3280070), (130, 1968042), (156, 1640035), (195, 1312028), (260, 984021), (390, 656014), (780, 328007)]