31156290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2861}}^1$

素因数の和:2896

約数の個数: 72

約数和(自身を含む): 89071164

約数和(自身を除く): 57914874

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 2861, 3630, 5445, 5722, 8583, 10890, 14305, 17166, 25749, 28610, 31471, 42915, 51498, 62942, 85830, 94413, 128745, 157355, 188826, 257490, 283239, 314710, 346181, 472065, 566478, 692362, 944130, 1038543, 1416195, 1730905, 2077086, 2832390, 3115629, 3461810, 5192715, 6231258, 10385430, 15578145, 31156290]

約数ペア:

[(1, 31156290), (2, 15578145), (3, 10385430), (5, 6231258), (6, 5192715), (9, 3461810), (10, 3115629), (11, 2832390), (15, 2077086), (18, 1730905), (22, 1416195), (30, 1038543), (33, 944130), (45, 692362), (55, 566478), (66, 472065), (90, 346181), (99, 314710), (110, 283239), (121, 257490), (165, 188826), (198, 157355), (242, 128745), (330, 94413), (363, 85830), (495, 62942), (605, 51498), (726, 42915), (990, 31471), (1089, 28610), (1210, 25749), (1815, 17166), (2178, 14305), (2861, 10890), (3630, 8583), (5445, 5722)]