31034360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 85708800

約数和(自身を除く): 54674440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 79, 92, 115, 122, 140, 158, 161, 184, 230, 244, 280, 305, 316, 322, 395, 427, 460, 488, 553, 610, 632, 644, 790, 805, 854, 920, 1106, 1220, 1288, 1403, 1580, 1610, 1708, 1817, 2135, 2212, 2440, 2765, 2806, 3160, 3220, 3416, 3634, 4270, 4424, 4819, 5530, 5612, 6440, 7015, 7268, 8540, 9085, 9638, 9821, 11060, 11224, 12719, 14030, 14536, 17080, 18170, 19276, 19642, 22120, 24095, 25438, 28060, 33733, 36340, 38552, 39284, 48190, 49105, 50876, 56120, 63595, 67466, 72680, 78568, 96380, 98210, 101752, 110837, 127190, 134932, 168665, 192760, 196420, 221674, 254380, 269864, 337330, 392840, 443348, 508760, 554185, 674660, 775859, 886696, 1108370, 1349320, 1551718, 2216740, 3103436, 3879295, 4433480, 6206872, 7758590, 15517180, 31034360]

約数ペア:

[(1, 31034360), (2, 15517180), (4, 7758590), (5, 6206872), (7, 4433480), (8, 3879295), (10, 3103436), (14, 2216740), (20, 1551718), (23, 1349320), (28, 1108370), (35, 886696), (40, 775859), (46, 674660), (56, 554185), (61, 508760), (70, 443348), (79, 392840), (92, 337330), (115, 269864), (122, 254380), (140, 221674), (158, 196420), (161, 192760), (184, 168665), (230, 134932), (244, 127190), (280, 110837), (305, 101752), (316, 98210), (322, 96380), (395, 78568), (427, 72680), (460, 67466), (488, 63595), (553, 56120), (610, 50876), (632, 49105), (644, 48190), (790, 39284), (805, 38552), (854, 36340), (920, 33733), (1106, 28060), (1220, 25438), (1288, 24095), (1403, 22120), (1580, 19642), (1610, 19276), (1708, 18170), (1817, 17080), (2135, 14536), (2212, 14030), (2440, 12719), (2765, 11224), (2806, 11060), (3160, 9821), (3220, 9638), (3416, 9085), (3634, 8540), (4270, 7268), (4424, 7015), (4819, 6440), (5530, 5612)]