31196280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 68336520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 89, 92, 115, 120, 127, 138, 178, 184, 230, 254, 267, 276, 345, 356, 381, 445, 460, 508, 534, 552, 635, 690, 712, 762, 890, 920, 1016, 1068, 1270, 1335, 1380, 1524, 1780, 1905, 2047, 2136, 2540, 2670, 2760, 2921, 3048, 3560, 3810, 4094, 5080, 5340, 5842, 6141, 7620, 8188, 8763, 10235, 10680, 11303, 11684, 12282, 14605, 15240, 16376, 17526, 20470, 22606, 23368, 24564, 29210, 30705, 33909, 35052, 40940, 43815, 45212, 49128, 56515, 58420, 61410, 67818, 70104, 81880, 87630, 90424, 113030, 116840, 122820, 135636, 169545, 175260, 226060, 245640, 259969, 271272, 339090, 350520, 452120, 519938, 678180, 779907, 1039876, 1299845, 1356360, 1559814, 2079752, 2599690, 3119628, 3899535, 5199380, 6239256, 7799070, 10398760, 15598140, 31196280]

約数ペア:

[(1, 31196280), (2, 15598140), (3, 10398760), (4, 7799070), (5, 6239256), (6, 5199380), (8, 3899535), (10, 3119628), (12, 2599690), (15, 2079752), (20, 1559814), (23, 1356360), (24, 1299845), (30, 1039876), (40, 779907), (46, 678180), (60, 519938), (69, 452120), (89, 350520), (92, 339090), (115, 271272), (120, 259969), (127, 245640), (138, 226060), (178, 175260), (184, 169545), (230, 135636), (254, 122820), (267, 116840), (276, 113030), (345, 90424), (356, 87630), (381, 81880), (445, 70104), (460, 67818), (508, 61410), (534, 58420), (552, 56515), (635, 49128), (690, 45212), (712, 43815), (762, 40940), (890, 35052), (920, 33909), (1016, 30705), (1068, 29210), (1270, 24564), (1335, 23368), (1380, 22606), (1524, 20470), (1780, 17526), (1905, 16376), (2047, 15240), (2136, 14605), (2540, 12282), (2670, 11684), (2760, 11303), (2921, 10680), (3048, 10235), (3560, 8763), (3810, 8188), (4094, 7620), (5080, 6141), (5340, 5842)]