28227240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 92874600

約数和(自身を除く): 64647360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 712, 801, 881, 890, 1068, 1335, 1602, 1762, 1780, 2136, 2643, 2670, 3204, 3524, 3560, 4005, 4405, 5286, 5340, 6408, 7048, 7929, 8010, 8810, 10572, 10680, 13215, 15858, 16020, 17620, 21144, 26430, 31716, 32040, 35240, 39645, 52860, 63432, 78409, 79290, 105720, 156818, 158580, 235227, 313636, 317160, 392045, 470454, 627272, 705681, 784090, 940908, 1176135, 1411362, 1568180, 1881816, 2352270, 2822724, 3136360, 3528405, 4704540, 5645448, 7056810, 9409080, 14113620, 28227240]

約数ペア:

[(1, 28227240), (2, 14113620), (3, 9409080), (4, 7056810), (5, 5645448), (6, 4704540), (8, 3528405), (9, 3136360), (10, 2822724), (12, 2352270), (15, 1881816), (18, 1568180), (20, 1411362), (24, 1176135), (30, 940908), (36, 784090), (40, 705681), (45, 627272), (60, 470454), (72, 392045), (89, 317160), (90, 313636), (120, 235227), (178, 158580), (180, 156818), (267, 105720), (356, 79290), (360, 78409), (445, 63432), (534, 52860), (712, 39645), (801, 35240), (881, 32040), (890, 31716), (1068, 26430), (1335, 21144), (1602, 17620), (1762, 16020), (1780, 15858), (2136, 13215), (2643, 10680), (2670, 10572), (3204, 8810), (3524, 8010), (3560, 7929), (4005, 7048), (4405, 6408), (5286, 5340)]