64656620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 165580800

約数和(自身を除く): 100924180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 109, 133, 140, 190, 218, 223, 266, 380, 436, 446, 532, 545, 665, 763, 892, 1090, 1115, 1330, 1526, 1561, 2071, 2180, 2230, 2660, 3052, 3122, 3815, 4142, 4237, 4460, 6244, 7630, 7805, 8284, 8474, 10355, 14497, 15260, 15610, 16948, 20710, 21185, 24307, 28994, 29659, 31220, 41420, 42370, 48614, 57988, 59318, 72485, 84740, 97228, 118636, 121535, 144970, 148295, 170149, 243070, 289940, 296590, 340298, 461833, 486140, 593180, 680596, 850745, 923666, 1701490, 1847332, 2309165, 3232831, 3402980, 4618330, 6465662, 9236660, 12931324, 16164155, 32328310, 64656620]

約数ペア:

[(1, 64656620), (2, 32328310), (4, 16164155), (5, 12931324), (7, 9236660), (10, 6465662), (14, 4618330), (19, 3402980), (20, 3232831), (28, 2309165), (35, 1847332), (38, 1701490), (70, 923666), (76, 850745), (95, 680596), (109, 593180), (133, 486140), (140, 461833), (190, 340298), (218, 296590), (223, 289940), (266, 243070), (380, 170149), (436, 148295), (446, 144970), (532, 121535), (545, 118636), (665, 97228), (763, 84740), (892, 72485), (1090, 59318), (1115, 57988), (1330, 48614), (1526, 42370), (1561, 41420), (2071, 31220), (2180, 29659), (2230, 28994), (2660, 24307), (3052, 21185), (3122, 20710), (3815, 16948), (4142, 15610), (4237, 15260), (4460, 14497), (6244, 10355), (7630, 8474), (7805, 8284)]