31151280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 102850560

約数和(自身を除く): 71699280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 53, 60, 62, 79, 80, 93, 106, 120, 124, 155, 158, 159, 186, 212, 237, 240, 248, 265, 310, 316, 318, 372, 395, 424, 465, 474, 496, 530, 620, 632, 636, 744, 790, 795, 848, 930, 948, 1060, 1185, 1240, 1264, 1272, 1488, 1580, 1590, 1643, 1860, 1896, 2120, 2370, 2449, 2480, 2544, 3160, 3180, 3286, 3720, 3792, 4187, 4240, 4740, 4898, 4929, 6320, 6360, 6572, 7347, 7440, 8215, 8374, 9480, 9796, 9858, 12245, 12561, 12720, 13144, 14694, 16430, 16748, 18960, 19592, 19716, 20935, 24490, 24645, 25122, 26288, 29388, 32860, 33496, 36735, 39184, 39432, 41870, 48980, 49290, 50244, 58776, 62805, 65720, 66992, 73470, 78864, 83740, 97960, 98580, 100488, 117552, 125610, 129797, 131440, 146940, 167480, 195920, 197160, 200976, 251220, 259594, 293880, 334960, 389391, 394320, 502440, 519188, 587760, 648985, 778782, 1004880, 1038376, 1297970, 1557564, 1946955, 2076752, 2595940, 3115128, 3893910, 5191880, 6230256, 7787820, 10383760, 15575640, 31151280]

約数ペア:

[(1, 31151280), (2, 15575640), (3, 10383760), (4, 7787820), (5, 6230256), (6, 5191880), (8, 3893910), (10, 3115128), (12, 2595940), (15, 2076752), (16, 1946955), (20, 1557564), (24, 1297970), (30, 1038376), (31, 1004880), (40, 778782), (48, 648985), (53, 587760), (60, 519188), (62, 502440), (79, 394320), (80, 389391), (93, 334960), (106, 293880), (120, 259594), (124, 251220), (155, 200976), (158, 197160), (159, 195920), (186, 167480), (212, 146940), (237, 131440), (240, 129797), (248, 125610), (265, 117552), (310, 100488), (316, 98580), (318, 97960), (372, 83740), (395, 78864), (424, 73470), (465, 66992), (474, 65720), (496, 62805), (530, 58776), (620, 50244), (632, 49290), (636, 48980), (744, 41870), (790, 39432), (795, 39184), (848, 36735), (930, 33496), (948, 32860), (1060, 29388), (1185, 26288), (1240, 25122), (1264, 24645), (1272, 24490), (1488, 20935), (1580, 19716), (1590, 19592), (1643, 18960), (1860, 16748), (1896, 16430), (2120, 14694), (2370, 13144), (2449, 12720), (2480, 12561), (2544, 12245), (3160, 9858), (3180, 9796), (3286, 9480), (3720, 8374), (3792, 8215), (4187, 7440), (4240, 7347), (4740, 6572), (4898, 6360), (4929, 6320)]