31367160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 112474440

約数和(自身を除く): 81107280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 89, 90, 99, 110, 120, 132, 165, 178, 180, 198, 220, 264, 267, 330, 356, 360, 396, 440, 445, 495, 534, 660, 712, 792, 801, 890, 979, 990, 1068, 1320, 1335, 1602, 1780, 1958, 1980, 2136, 2670, 2937, 3204, 3560, 3916, 3960, 4005, 4895, 5340, 5874, 6408, 7832, 7921, 8010, 8811, 9790, 10680, 11748, 14685, 15842, 16020, 17622, 19580, 23496, 23763, 29370, 31684, 32040, 35244, 39160, 39605, 44055, 47526, 58740, 63368, 70488, 71289, 79210, 87131, 88110, 95052, 117480, 118815, 142578, 158420, 174262, 176220, 190104, 237630, 261393, 285156, 316840, 348524, 352440, 356445, 435655, 475260, 522786, 570312, 697048, 712890, 784179, 871310, 950520, 1045572, 1306965, 1425780, 1568358, 1742620, 2091144, 2613930, 2851560, 3136716, 3485240, 3920895, 5227860, 6273432, 7841790, 10455720, 15683580, 31367160]

約数ペア:

[(1, 31367160), (2, 15683580), (3, 10455720), (4, 7841790), (5, 6273432), (6, 5227860), (8, 3920895), (9, 3485240), (10, 3136716), (11, 2851560), (12, 2613930), (15, 2091144), (18, 1742620), (20, 1568358), (22, 1425780), (24, 1306965), (30, 1045572), (33, 950520), (36, 871310), (40, 784179), (44, 712890), (45, 697048), (55, 570312), (60, 522786), (66, 475260), (72, 435655), (88, 356445), (89, 352440), (90, 348524), (99, 316840), (110, 285156), (120, 261393), (132, 237630), (165, 190104), (178, 176220), (180, 174262), (198, 158420), (220, 142578), (264, 118815), (267, 117480), (330, 95052), (356, 88110), (360, 87131), (396, 79210), (440, 71289), (445, 70488), (495, 63368), (534, 58740), (660, 47526), (712, 44055), (792, 39605), (801, 39160), (890, 35244), (979, 32040), (990, 31684), (1068, 29370), (1320, 23763), (1335, 23496), (1602, 19580), (1780, 17622), (1958, 16020), (1980, 15842), (2136, 14685), (2670, 11748), (2937, 10680), (3204, 9790), (3560, 8811), (3916, 8010), (3960, 7921), (4005, 7832), (4895, 6408), (5340, 5874)]