15285720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 34480680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 127, 136, 170, 177, 204, 236, 254, 255, 295, 340, 354, 381, 408, 472, 508, 510, 590, 635, 680, 708, 762, 885, 1003, 1016, 1020, 1180, 1270, 1416, 1524, 1770, 1905, 2006, 2040, 2159, 2360, 2540, 3009, 3048, 3540, 3810, 4012, 4318, 5015, 5080, 6018, 6477, 7080, 7493, 7620, 8024, 8636, 10030, 10795, 12036, 12954, 14986, 15045, 15240, 17272, 20060, 21590, 22479, 24072, 25908, 29972, 30090, 32385, 37465, 40120, 43180, 44958, 51816, 59944, 60180, 64770, 74930, 86360, 89916, 112395, 120360, 127381, 129540, 149860, 179832, 224790, 254762, 259080, 299720, 382143, 449580, 509524, 636905, 764286, 899160, 1019048, 1273810, 1528572, 1910715, 2547620, 3057144, 3821430, 5095240, 7642860, 15285720]

約数ペア:

[(1, 15285720), (2, 7642860), (3, 5095240), (4, 3821430), (5, 3057144), (6, 2547620), (8, 1910715), (10, 1528572), (12, 1273810), (15, 1019048), (17, 899160), (20, 764286), (24, 636905), (30, 509524), (34, 449580), (40, 382143), (51, 299720), (59, 259080), (60, 254762), (68, 224790), (85, 179832), (102, 149860), (118, 129540), (120, 127381), (127, 120360), (136, 112395), (170, 89916), (177, 86360), (204, 74930), (236, 64770), (254, 60180), (255, 59944), (295, 51816), (340, 44958), (354, 43180), (381, 40120), (408, 37465), (472, 32385), (508, 30090), (510, 29972), (590, 25908), (635, 24072), (680, 22479), (708, 21590), (762, 20060), (885, 17272), (1003, 15240), (1016, 15045), (1020, 14986), (1180, 12954), (1270, 12036), (1416, 10795), (1524, 10030), (1770, 8636), (1905, 8024), (2006, 7620), (2040, 7493), (2159, 7080), (2360, 6477), (2540, 6018), (3009, 5080), (3048, 5015), (3540, 4318), (3810, 4012)]