71186940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 238099680

約数和(自身を除く): 166912740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 229, 314, 330, 396, 458, 471, 495, 628, 660, 687, 785, 916, 942, 990, 1145, 1374, 1413, 1570, 1727, 1884, 1980, 2061, 2290, 2355, 2519, 2748, 2826, 3140, 3435, 3454, 4122, 4580, 4710, 5038, 5181, 5652, 6870, 6908, 7065, 7557, 8244, 8635, 9420, 10076, 10305, 10362, 12595, 13740, 14130, 15114, 15543, 17270, 20610, 20724, 22671, 25190, 25905, 28260, 30228, 31086, 34540, 35953, 37785, 41220, 45342, 50380, 51810, 62172, 71906, 75570, 77715, 90684, 103620, 107859, 113355, 143812, 151140, 155430, 179765, 215718, 226710, 310860, 323577, 359530, 395483, 431436, 453420, 539295, 647154, 719060, 790966, 1078590, 1186449, 1294308, 1581932, 1617885, 1977415, 2157180, 2372898, 3235770, 3559347, 3954830, 4745796, 5932245, 6471540, 7118694, 7909660, 11864490, 14237388, 17796735, 23728980, 35593470, 71186940]

約数ペア:

[(1, 71186940), (2, 35593470), (3, 23728980), (4, 17796735), (5, 14237388), (6, 11864490), (9, 7909660), (10, 7118694), (11, 6471540), (12, 5932245), (15, 4745796), (18, 3954830), (20, 3559347), (22, 3235770), (30, 2372898), (33, 2157180), (36, 1977415), (44, 1617885), (45, 1581932), (55, 1294308), (60, 1186449), (66, 1078590), (90, 790966), (99, 719060), (110, 647154), (132, 539295), (157, 453420), (165, 431436), (180, 395483), (198, 359530), (220, 323577), (229, 310860), (314, 226710), (330, 215718), (396, 179765), (458, 155430), (471, 151140), (495, 143812), (628, 113355), (660, 107859), (687, 103620), (785, 90684), (916, 77715), (942, 75570), (990, 71906), (1145, 62172), (1374, 51810), (1413, 50380), (1570, 45342), (1727, 41220), (1884, 37785), (1980, 35953), (2061, 34540), (2290, 31086), (2355, 30228), (2519, 28260), (2748, 25905), (2826, 25190), (3140, 22671), (3435, 20724), (3454, 20610), (4122, 17270), (4580, 15543), (4710, 15114), (5038, 14130), (5181, 13740), (5652, 12595), (6870, 10362), (6908, 10305), (7065, 10076), (7557, 9420), (8244, 8635)]