31342860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 101267712

約数和(自身を除く): 69924852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 41, 45, 60, 62, 82, 90, 93, 123, 124, 137, 155, 164, 180, 186, 205, 246, 274, 279, 310, 369, 372, 410, 411, 465, 492, 548, 558, 615, 620, 685, 738, 820, 822, 930, 1116, 1230, 1233, 1271, 1370, 1395, 1476, 1644, 1845, 1860, 2055, 2460, 2466, 2542, 2740, 2790, 3690, 3813, 4110, 4247, 4932, 5084, 5580, 5617, 6165, 6355, 7380, 7626, 8220, 8494, 11234, 11439, 12330, 12710, 12741, 15252, 16851, 16988, 19065, 21235, 22468, 22878, 24660, 25420, 25482, 28085, 33702, 38130, 38223, 42470, 45756, 50553, 50964, 56170, 57195, 63705, 67404, 76260, 76446, 84255, 84940, 101106, 112340, 114390, 127410, 152892, 168510, 174127, 191115, 202212, 228780, 252765, 254820, 337020, 348254, 382230, 505530, 522381, 696508, 764460, 870635, 1011060, 1044762, 1567143, 1741270, 2089524, 2611905, 3134286, 3482540, 5223810, 6268572, 7835715, 10447620, 15671430, 31342860]

約数ペア:

[(1, 31342860), (2, 15671430), (3, 10447620), (4, 7835715), (5, 6268572), (6, 5223810), (9, 3482540), (10, 3134286), (12, 2611905), (15, 2089524), (18, 1741270), (20, 1567143), (30, 1044762), (31, 1011060), (36, 870635), (41, 764460), (45, 696508), (60, 522381), (62, 505530), (82, 382230), (90, 348254), (93, 337020), (123, 254820), (124, 252765), (137, 228780), (155, 202212), (164, 191115), (180, 174127), (186, 168510), (205, 152892), (246, 127410), (274, 114390), (279, 112340), (310, 101106), (369, 84940), (372, 84255), (410, 76446), (411, 76260), (465, 67404), (492, 63705), (548, 57195), (558, 56170), (615, 50964), (620, 50553), (685, 45756), (738, 42470), (820, 38223), (822, 38130), (930, 33702), (1116, 28085), (1230, 25482), (1233, 25420), (1271, 24660), (1370, 22878), (1395, 22468), (1476, 21235), (1644, 19065), (1845, 16988), (1860, 16851), (2055, 15252), (2460, 12741), (2466, 12710), (2542, 12330), (2740, 11439), (2790, 11234), (3690, 8494), (3813, 8220), (4110, 7626), (4247, 7380), (4932, 6355), (5084, 6165), (5580, 5617)]