28771560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 94185000

約数和(自身を除く): 65413440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 229, 349, 360, 458, 687, 698, 916, 1047, 1145, 1374, 1396, 1745, 1832, 2061, 2094, 2290, 2748, 2792, 3141, 3435, 3490, 4122, 4188, 4580, 5235, 5496, 6282, 6870, 6980, 8244, 8376, 9160, 10305, 10470, 12564, 13740, 13960, 15705, 16488, 20610, 20940, 25128, 27480, 31410, 41220, 41880, 62820, 79921, 82440, 125640, 159842, 239763, 319684, 399605, 479526, 639368, 719289, 799210, 959052, 1198815, 1438578, 1598420, 1918104, 2397630, 2877156, 3196840, 3596445, 4795260, 5754312, 7192890, 9590520, 14385780, 28771560]

約数ペア:

[(1, 28771560), (2, 14385780), (3, 9590520), (4, 7192890), (5, 5754312), (6, 4795260), (8, 3596445), (9, 3196840), (10, 2877156), (12, 2397630), (15, 1918104), (18, 1598420), (20, 1438578), (24, 1198815), (30, 959052), (36, 799210), (40, 719289), (45, 639368), (60, 479526), (72, 399605), (90, 319684), (120, 239763), (180, 159842), (229, 125640), (349, 82440), (360, 79921), (458, 62820), (687, 41880), (698, 41220), (916, 31410), (1047, 27480), (1145, 25128), (1374, 20940), (1396, 20610), (1745, 16488), (1832, 15705), (2061, 13960), (2094, 13740), (2290, 12564), (2748, 10470), (2792, 10305), (3141, 9160), (3435, 8376), (3490, 8244), (4122, 6980), (4188, 6870), (4580, 6282), (5235, 5496)]