28750020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 94832640

約数和(自身を除く): 66082620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 31, 39, 41, 52, 58, 60, 62, 65, 78, 82, 87, 93, 116, 123, 124, 130, 145, 155, 156, 164, 174, 186, 195, 205, 246, 260, 290, 310, 348, 372, 377, 390, 403, 410, 435, 465, 492, 533, 580, 615, 620, 754, 780, 806, 820, 870, 899, 930, 1066, 1131, 1189, 1209, 1230, 1271, 1508, 1599, 1612, 1740, 1798, 1860, 1885, 2015, 2132, 2262, 2378, 2418, 2460, 2542, 2665, 2697, 3198, 3567, 3596, 3770, 3813, 4030, 4495, 4524, 4756, 4836, 5084, 5330, 5394, 5655, 5945, 6045, 6355, 6396, 7134, 7540, 7626, 7995, 8060, 8990, 10660, 10788, 11310, 11687, 11890, 12090, 12710, 13485, 14268, 15252, 15457, 15990, 16523, 17835, 17980, 19065, 22620, 23374, 23780, 24180, 25420, 26970, 30914, 31980, 33046, 35061, 35670, 36859, 38130, 46371, 46748, 49569, 53940, 58435, 61828, 66092, 70122, 71340, 73718, 76260, 77285, 82615, 92742, 99138, 110577, 116870, 140244, 147436, 154570, 165230, 175305, 184295, 185484, 198276, 221154, 231855, 233740, 247845, 309140, 330460, 350610, 368590, 442308, 463710, 479167, 495690, 552885, 701220, 737180, 927420, 958334, 991380, 1105770, 1437501, 1916668, 2211540, 2395835, 2875002, 4791670, 5750004, 7187505, 9583340, 14375010, 28750020]

約数ペア:

[(1, 28750020), (2, 14375010), (3, 9583340), (4, 7187505), (5, 5750004), (6, 4791670), (10, 2875002), (12, 2395835), (13, 2211540), (15, 1916668), (20, 1437501), (26, 1105770), (29, 991380), (30, 958334), (31, 927420), (39, 737180), (41, 701220), (52, 552885), (58, 495690), (60, 479167), (62, 463710), (65, 442308), (78, 368590), (82, 350610), (87, 330460), (93, 309140), (116, 247845), (123, 233740), (124, 231855), (130, 221154), (145, 198276), (155, 185484), (156, 184295), (164, 175305), (174, 165230), (186, 154570), (195, 147436), (205, 140244), (246, 116870), (260, 110577), (290, 99138), (310, 92742), (348, 82615), (372, 77285), (377, 76260), (390, 73718), (403, 71340), (410, 70122), (435, 66092), (465, 61828), (492, 58435), (533, 53940), (580, 49569), (615, 46748), (620, 46371), (754, 38130), (780, 36859), (806, 35670), (820, 35061), (870, 33046), (899, 31980), (930, 30914), (1066, 26970), (1131, 25420), (1189, 24180), (1209, 23780), (1230, 23374), (1271, 22620), (1508, 19065), (1599, 17980), (1612, 17835), (1740, 16523), (1798, 15990), (1860, 15457), (1885, 15252), (2015, 14268), (2132, 13485), (2262, 12710), (2378, 12090), (2418, 11890), (2460, 11687), (2542, 11310), (2665, 10788), (2697, 10660), (3198, 8990), (3567, 8060), (3596, 7995), (3770, 7626), (3813, 7540), (4030, 7134), (4495, 6396), (4524, 6355), (4756, 6045), (4836, 5945), (5084, 5655), (5330, 5394)]