31384860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40237}}^1$

素因数の和:40262

約数の個数: 48

約数和(自身を含む): 94639776

約数和(自身を除く): 63254916

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, 40237, 80474, 120711, 160948, 201185, 241422, 402370, 482844, 523081, 603555, 804740, 1046162, 1207110, 1569243, 2092324, 2414220, 2615405, 3138486, 5230810, 6276972, 7846215, 10461620, 15692430, 31384860]

約数ペア:

[(1, 31384860), (2, 15692430), (3, 10461620), (4, 7846215), (5, 6276972), (6, 5230810), (10, 3138486), (12, 2615405), (13, 2414220), (15, 2092324), (20, 1569243), (26, 1207110), (30, 1046162), (39, 804740), (52, 603555), (60, 523081), (65, 482844), (78, 402370), (130, 241422), (156, 201185), (195, 160948), (260, 120711), (390, 80474), (780, 40237)]