18157035015

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2371}}^1$

素因数の和:2570

約数の個数: 144

約数和(自身を含む): 38471486976

約数和(自身を除く): 20314451961

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 151, 161, 207, 245, 315, 345, 441, 453, 483, 735, 755, 805, 1035, 1057, 1127, 1359, 1449, 2205, 2265, 2371, 2415, 3171, 3381, 3473, 5285, 5635, 6795, 7113, 7245, 7399, 9513, 10143, 10419, 11855, 15855, 16597, 16905, 17365, 21339, 22197, 24311, 31257, 35565, 36995, 47565, 49791, 50715, 52095, 54533, 66591, 72933, 82985, 106695, 110985, 116179, 121555, 149373, 156285, 163599, 170177, 218799, 248955, 272665, 332955, 348537, 358021, 364665, 381731, 490797, 510531, 580895, 746865, 817995, 850885, 1045611, 1074063, 1093995, 1145193, 1531593, 1742685, 1790105, 1908655, 2453985, 2506147, 2552655, 2672117, 3222189, 3435579, 5228055, 5370315, 5725965, 7518441, 7657965, 8016351, 8234483, 12530735, 13360585, 16110945, 17177895, 17543029, 22555323, 24049053, 24703449, 37592205, 40081755, 41172415, 52629087, 57641381, 74110347, 87715145, 112776615, 120245265, 123517245, 157887261, 172924143, 263145435, 288206905, 370551735, 403489667, 518772429, 789436305, 864620715, 1210469001, 2017448335, 2593862145, 3631407003, 6052345005, 18157035015]

約数ペア:

[(1, 18157035015), (3, 6052345005), (5, 3631407003), (7, 2593862145), (9, 2017448335), (15, 1210469001), (21, 864620715), (23, 789436305), (35, 518772429), (45, 403489667), (49, 370551735), (63, 288206905), (69, 263145435), (105, 172924143), (115, 157887261), (147, 123517245), (151, 120245265), (161, 112776615), (207, 87715145), (245, 74110347), (315, 57641381), (345, 52629087), (441, 41172415), (453, 40081755), (483, 37592205), (735, 24703449), (755, 24049053), (805, 22555323), (1035, 17543029), (1057, 17177895), (1127, 16110945), (1359, 13360585), (1449, 12530735), (2205, 8234483), (2265, 8016351), (2371, 7657965), (2415, 7518441), (3171, 5725965), (3381, 5370315), (3473, 5228055), (5285, 3435579), (5635, 3222189), (6795, 2672117), (7113, 2552655), (7245, 2506147), (7399, 2453985), (9513, 1908655), (10143, 1790105), (10419, 1742685), (11855, 1531593), (15855, 1145193), (16597, 1093995), (16905, 1074063), (17365, 1045611), (21339, 850885), (22197, 817995), (24311, 746865), (31257, 580895), (35565, 510531), (36995, 490797), (47565, 381731), (49791, 364665), (50715, 358021), (52095, 348537), (54533, 332955), (66591, 272665), (72933, 248955), (82985, 218799), (106695, 170177), (110985, 163599), (116179, 156285), (121555, 149373)]