180520020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 569080512

約数和(自身を除く): 388560492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 83, 86, 90, 129, 166, 172, 180, 215, 249, 258, 281, 332, 387, 415, 430, 498, 516, 562, 645, 747, 774, 830, 843, 860, 996, 1124, 1245, 1290, 1405, 1494, 1548, 1660, 1686, 1935, 2490, 2529, 2580, 2810, 2988, 3372, 3569, 3735, 3870, 4215, 4980, 5058, 5620, 7138, 7470, 7740, 8430, 10116, 10707, 12083, 12645, 14276, 14940, 16860, 17845, 21414, 23323, 24166, 25290, 32121, 35690, 36249, 42828, 46646, 48332, 50580, 53535, 60415, 64242, 69969, 71380, 72498, 93292, 107070, 108747, 116615, 120830, 128484, 139938, 144996, 160605, 181245, 209907, 214140, 217494, 233230, 241660, 279876, 321210, 349845, 362490, 419814, 434988, 466460, 543735, 642420, 699690, 724980, 839628, 1002889, 1049535, 1087470, 1399380, 2005778, 2099070, 2174940, 3008667, 4011556, 4198140, 5014445, 6017334, 9026001, 10028890, 12034668, 15043335, 18052002, 20057780, 30086670, 36104004, 45130005, 60173340, 90260010, 180520020]

約数ペア:

[(1, 180520020), (2, 90260010), (3, 60173340), (4, 45130005), (5, 36104004), (6, 30086670), (9, 20057780), (10, 18052002), (12, 15043335), (15, 12034668), (18, 10028890), (20, 9026001), (30, 6017334), (36, 5014445), (43, 4198140), (45, 4011556), (60, 3008667), (83, 2174940), (86, 2099070), (90, 2005778), (129, 1399380), (166, 1087470), (172, 1049535), (180, 1002889), (215, 839628), (249, 724980), (258, 699690), (281, 642420), (332, 543735), (387, 466460), (415, 434988), (430, 419814), (498, 362490), (516, 349845), (562, 321210), (645, 279876), (747, 241660), (774, 233230), (830, 217494), (843, 214140), (860, 209907), (996, 181245), (1124, 160605), (1245, 144996), (1290, 139938), (1405, 128484), (1494, 120830), (1548, 116615), (1660, 108747), (1686, 107070), (1935, 93292), (2490, 72498), (2529, 71380), (2580, 69969), (2810, 64242), (2988, 60415), (3372, 53535), (3569, 50580), (3735, 48332), (3870, 46646), (4215, 42828), (4980, 36249), (5058, 35690), (5620, 32121), (7138, 25290), (7470, 24166), (7740, 23323), (8430, 21414), (10116, 17845), (10707, 16860), (12083, 14940), (12645, 14276)]