7885470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 19998720

約数和(自身を除く): 12113250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 139, 155, 183, 186, 278, 305, 310, 366, 417, 465, 610, 695, 834, 915, 930, 1390, 1830, 1891, 2085, 3782, 4170, 4309, 5673, 8479, 8618, 9455, 11346, 12927, 16958, 18910, 21545, 25437, 25854, 28365, 42395, 43090, 50874, 56730, 64635, 84790, 127185, 129270, 254370, 262849, 525698, 788547, 1314245, 1577094, 2628490, 3942735, 7885470]

約数ペア:

[(1, 7885470), (2, 3942735), (3, 2628490), (5, 1577094), (6, 1314245), (10, 788547), (15, 525698), (30, 262849), (31, 254370), (61, 129270), (62, 127185), (93, 84790), (122, 64635), (139, 56730), (155, 50874), (183, 43090), (186, 42395), (278, 28365), (305, 25854), (310, 25437), (366, 21545), (417, 18910), (465, 16958), (610, 12927), (695, 11346), (834, 9455), (915, 8618), (930, 8479), (1390, 5673), (1830, 4309), (1891, 4170), (2085, 3782)]