12784980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 39682944

約数和(自身を除く): 26897964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 443, 444, 481, 555, 740, 780, 886, 962, 1110, 1329, 1443, 1772, 1924, 2215, 2220, 2405, 2658, 2886, 4430, 4810, 5316, 5759, 5772, 6645, 7215, 8860, 9620, 11518, 13290, 14430, 16391, 17277, 23036, 26580, 28795, 28860, 32782, 34554, 49173, 57590, 65564, 69108, 81955, 86385, 98346, 115180, 163910, 172770, 196692, 213083, 245865, 327820, 345540, 426166, 491730, 639249, 852332, 983460, 1065415, 1278498, 2130830, 2556996, 3196245, 4261660, 6392490, 12784980]

約数ペア:

[(1, 12784980), (2, 6392490), (3, 4261660), (4, 3196245), (5, 2556996), (6, 2130830), (10, 1278498), (12, 1065415), (13, 983460), (15, 852332), (20, 639249), (26, 491730), (30, 426166), (37, 345540), (39, 327820), (52, 245865), (60, 213083), (65, 196692), (74, 172770), (78, 163910), (111, 115180), (130, 98346), (148, 86385), (156, 81955), (185, 69108), (195, 65564), (222, 57590), (260, 49173), (370, 34554), (390, 32782), (443, 28860), (444, 28795), (481, 26580), (555, 23036), (740, 17277), (780, 16391), (886, 14430), (962, 13290), (1110, 11518), (1329, 9620), (1443, 8860), (1772, 7215), (1924, 6645), (2215, 5772), (2220, 5759), (2405, 5316), (2658, 4810), (2886, 4430)]