15070040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 21217960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 251, 316, 380, 395, 502, 632, 760, 790, 1004, 1255, 1501, 1580, 2008, 2510, 3002, 3160, 4769, 5020, 6004, 7505, 9538, 10040, 12008, 15010, 19076, 19829, 23845, 30020, 38152, 39658, 47690, 60040, 79316, 95380, 99145, 158632, 190760, 198290, 376751, 396580, 753502, 793160, 1507004, 1883755, 3014008, 3767510, 7535020, 15070040]

約数ペア:

[(1, 15070040), (2, 7535020), (4, 3767510), (5, 3014008), (8, 1883755), (10, 1507004), (19, 793160), (20, 753502), (38, 396580), (40, 376751), (76, 198290), (79, 190760), (95, 158632), (152, 99145), (158, 95380), (190, 79316), (251, 60040), (316, 47690), (380, 39658), (395, 38152), (502, 30020), (632, 23845), (760, 19829), (790, 19076), (1004, 15010), (1255, 12008), (1501, 10040), (1580, 9538), (2008, 7505), (2510, 6004), (3002, 5020), (3160, 4769)]