201558280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2171

約数の個数: 128

約数和(自身を含む): 583925760

約数和(自身を除く): 382367480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2111, 2170, 2387, 2728, 3080, 3410, 4222, 4340, 4774, 6820, 8444, 8680, 9548, 10555, 11935, 13640, 14777, 16888, 19096, 21110, 23221, 23870, 29554, 42220, 46442, 47740, 59108, 65441, 73885, 84440, 92884, 95480, 116105, 118216, 130882, 147770, 162547, 185768, 232210, 261764, 295540, 325094, 327205, 458087, 464420, 523528, 591080, 650188, 654410, 719851, 812735, 916174, 928840, 1300376, 1308820, 1439702, 1625470, 1832348, 2290435, 2617640, 2879404, 3250940, 3599255, 3664696, 4580870, 5038957, 5758808, 6501880, 7198510, 9161740, 10077914, 14397020, 18323480, 20155828, 25194785, 28794040, 40311656, 50389570, 100779140, 201558280]

約数ペア:

[(1, 201558280), (2, 100779140), (4, 50389570), (5, 40311656), (7, 28794040), (8, 25194785), (10, 20155828), (11, 18323480), (14, 14397020), (20, 10077914), (22, 9161740), (28, 7198510), (31, 6501880), (35, 5758808), (40, 5038957), (44, 4580870), (55, 3664696), (56, 3599255), (62, 3250940), (70, 2879404), (77, 2617640), (88, 2290435), (110, 1832348), (124, 1625470), (140, 1439702), (154, 1308820), (155, 1300376), (217, 928840), (220, 916174), (248, 812735), (280, 719851), (308, 654410), (310, 650188), (341, 591080), (385, 523528), (434, 464420), (440, 458087), (616, 327205), (620, 325094), (682, 295540), (770, 261764), (868, 232210), (1085, 185768), (1240, 162547), (1364, 147770), (1540, 130882), (1705, 118216), (1736, 116105), (2111, 95480), (2170, 92884), (2387, 84440), (2728, 73885), (3080, 65441), (3410, 59108), (4222, 47740), (4340, 46442), (4774, 42220), (6820, 29554), (8444, 23870), (8680, 23221), (9548, 21110), (10555, 19096), (11935, 16888), (13640, 14777)]