28185360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:925

約数の個数: 160

約数和(自身を含む): 105231360

約数和(自身を除く): 77046000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 883, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1766, 1995, 2128, 2280, 2649, 2660, 3192, 3532, 3990, 4415, 4560, 5298, 5320, 6181, 6384, 7064, 7980, 8830, 10596, 10640, 12362, 13245, 14128, 15960, 16777, 17660, 18543, 21192, 24724, 26490, 30905, 31920, 33554, 35320, 37086, 42384, 49448, 50331, 52980, 61810, 67108, 70640, 74172, 83885, 92715, 98896, 100662, 105960, 117439, 123620, 134216, 148344, 167770, 185430, 201324, 211920, 234878, 247240, 251655, 268432, 296688, 335540, 352317, 370860, 402648, 469756, 494480, 503310, 587195, 671080, 704634, 741720, 805296, 939512, 1006620, 1174390, 1342160, 1409268, 1483440, 1761585, 1879024, 2013240, 2348780, 2818536, 3523170, 4026480, 4697560, 5637072, 7046340, 9395120, 14092680, 28185360]

約数ペア:

[(1, 28185360), (2, 14092680), (3, 9395120), (4, 7046340), (5, 5637072), (6, 4697560), (7, 4026480), (8, 3523170), (10, 2818536), (12, 2348780), (14, 2013240), (15, 1879024), (16, 1761585), (19, 1483440), (20, 1409268), (21, 1342160), (24, 1174390), (28, 1006620), (30, 939512), (35, 805296), (38, 741720), (40, 704634), (42, 671080), (48, 587195), (56, 503310), (57, 494480), (60, 469756), (70, 402648), (76, 370860), (80, 352317), (84, 335540), (95, 296688), (105, 268432), (112, 251655), (114, 247240), (120, 234878), (133, 211920), (140, 201324), (152, 185430), (168, 167770), (190, 148344), (210, 134216), (228, 123620), (240, 117439), (266, 105960), (280, 100662), (285, 98896), (304, 92715), (336, 83885), (380, 74172), (399, 70640), (420, 67108), (456, 61810), (532, 52980), (560, 50331), (570, 49448), (665, 42384), (760, 37086), (798, 35320), (840, 33554), (883, 31920), (912, 30905), (1064, 26490), (1140, 24724), (1330, 21192), (1520, 18543), (1596, 17660), (1680, 16777), (1766, 15960), (1995, 14128), (2128, 13245), (2280, 12362), (2649, 10640), (2660, 10596), (3192, 8830), (3532, 7980), (3990, 7064), (4415, 6384), (4560, 6181), (5298, 5320)]