78431240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3329}}^1$

素因数の和:3390

約数の個数: 64

約数和(自身を含む): 191808000

約数和(自身を除く): 113376760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3329, 4712, 5890, 6658, 11780, 13316, 16645, 23560, 26632, 33290, 63251, 66580, 103199, 126502, 133160, 206398, 253004, 316255, 412796, 506008, 515995, 632510, 825592, 1031990, 1265020, 1960781, 2063980, 2530040, 3921562, 4127960, 7843124, 9803905, 15686248, 19607810, 39215620, 78431240]

約数ペア:

[(1, 78431240), (2, 39215620), (4, 19607810), (5, 15686248), (8, 9803905), (10, 7843124), (19, 4127960), (20, 3921562), (31, 2530040), (38, 2063980), (40, 1960781), (62, 1265020), (76, 1031990), (95, 825592), (124, 632510), (152, 515995), (155, 506008), (190, 412796), (248, 316255), (310, 253004), (380, 206398), (589, 133160), (620, 126502), (760, 103199), (1178, 66580), (1240, 63251), (2356, 33290), (2945, 26632), (3329, 23560), (4712, 16645), (5890, 13316), (6658, 11780)]