28504560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 108850176

約数和(自身を除く): 80345616

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, 47, 48, 56, 57, 60, 70, 76, 80, 84, 94, 95, 105, 112, 114, 120, 133, 140, 141, 152, 168, 188, 190, 210, 228, 235, 240, 266, 280, 282, 285, 304, 329, 336, 361, 376, 380, 399, 420, 456, 470, 532, 560, 564, 570, 658, 665, 705, 722, 752, 760, 798, 840, 893, 912, 940, 987, 1064, 1083, 1128, 1140, 1316, 1330, 1410, 1444, 1520, 1596, 1645, 1680, 1786, 1805, 1880, 1974, 1995, 2128, 2166, 2256, 2280, 2527, 2632, 2660, 2679, 2820, 2888, 3192, 3290, 3572, 3610, 3760, 3948, 3990, 4332, 4465, 4560, 4935, 5054, 5264, 5320, 5358, 5415, 5640, 5776, 6251, 6384, 6580, 7144, 7220, 7581, 7896, 7980, 8664, 8930, 9870, 10108, 10640, 10716, 10830, 11280, 12502, 12635, 13160, 13395, 14288, 14440, 15162, 15792, 15960, 16967, 17328, 17860, 18753, 19740, 20216, 21432, 21660, 25004, 25270, 26320, 26790, 28880, 30324, 31255, 31920, 33934, 35720, 37506, 37905, 39480, 40432, 42864, 43320, 50008, 50540, 50901, 53580, 60648, 62510, 67868, 71440, 75012, 75810, 78960, 84835, 86640, 93765, 100016, 101080, 101802, 107160, 118769, 121296, 125020, 135736, 150024, 151620, 169670, 187530, 202160, 203604, 214320, 237538, 250040, 254505, 271472, 300048, 303240, 339340, 356307, 375060, 407208, 475076, 500080, 509010, 593845, 606480, 678680, 712614, 750120, 814416, 950152, 1018020, 1187690, 1357360, 1425228, 1500240, 1781535, 1900304, 2036040, 2375380, 2850456, 3563070, 4072080, 4750760, 5700912, 7126140, 9501520, 14252280, 28504560]

約数ペア:

[(1, 28504560), (2, 14252280), (3, 9501520), (4, 7126140), (5, 5700912), (6, 4750760), (7, 4072080), (8, 3563070), (10, 2850456), (12, 2375380), (14, 2036040), (15, 1900304), (16, 1781535), (19, 1500240), (20, 1425228), (21, 1357360), (24, 1187690), (28, 1018020), (30, 950152), (35, 814416), (38, 750120), (40, 712614), (42, 678680), (47, 606480), (48, 593845), (56, 509010), (57, 500080), (60, 475076), (70, 407208), (76, 375060), (80, 356307), (84, 339340), (94, 303240), (95, 300048), (105, 271472), (112, 254505), (114, 250040), (120, 237538), (133, 214320), (140, 203604), (141, 202160), (152, 187530), (168, 169670), (188, 151620), (190, 150024), (210, 135736), (228, 125020), (235, 121296), (240, 118769), (266, 107160), (280, 101802), (282, 101080), (285, 100016), (304, 93765), (329, 86640), (336, 84835), (361, 78960), (376, 75810), (380, 75012), (399, 71440), (420, 67868), (456, 62510), (470, 60648), (532, 53580), (560, 50901), (564, 50540), (570, 50008), (658, 43320), (665, 42864), (705, 40432), (722, 39480), (752, 37905), (760, 37506), (798, 35720), (840, 33934), (893, 31920), (912, 31255), (940, 30324), (987, 28880), (1064, 26790), (1083, 26320), (1128, 25270), (1140, 25004), (1316, 21660), (1330, 21432), (1410, 20216), (1444, 19740), (1520, 18753), (1596, 17860), (1645, 17328), (1680, 16967), (1786, 15960), (1805, 15792), (1880, 15162), (1974, 14440), (1995, 14288), (2128, 13395), (2166, 13160), (2256, 12635), (2280, 12502), (2527, 11280), (2632, 10830), (2660, 10716), (2679, 10640), (2820, 10108), (2888, 9870), (3192, 8930), (3290, 8664), (3572, 7980), (3610, 7896), (3760, 7581), (3948, 7220), (3990, 7144), (4332, 6580), (4465, 6384), (4560, 6251), (4935, 5776), (5054, 5640), (5264, 5415), (5320, 5358)]