1281006160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 3574628352

約数和(自身を除く): 2293622192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 271, 280, 322, 367, 368, 460, 542, 560, 644, 734, 805, 920, 1084, 1288, 1355, 1468, 1610, 1835, 1840, 1897, 2168, 2569, 2576, 2710, 2936, 3220, 3670, 3794, 4336, 5138, 5420, 5872, 6233, 6440, 7340, 7588, 8441, 9485, 10276, 10840, 12466, 12845, 12880, 14680, 15176, 16882, 18970, 20552, 21680, 24932, 25690, 29360, 30352, 31165, 33764, 37940, 41104, 42205, 43631, 49864, 51380, 59087, 62330, 67528, 75880, 84410, 87262, 99457, 99728, 102760, 118174, 124660, 135056, 151760, 168820, 174524, 198914, 205520, 218155, 236348, 249320, 295435, 337640, 349048, 397828, 436310, 472696, 497285, 498640, 590870, 675280, 696199, 698096, 795656, 872620, 945392, 994570, 1181740, 1392398, 1591312, 1745240, 1989140, 2287511, 2363480, 2784796, 3480995, 3490480, 3978280, 4575022, 4726960, 5569592, 6961990, 7956560, 9150044, 11139184, 11437555, 13923980, 16012577, 18300088, 22875110, 27847960, 32025154, 36600176, 45750220, 55695920, 64050308, 80062885, 91500440, 128100616, 160125770, 183000880, 256201232, 320251540, 640503080, 1281006160]

約数ペア:

[(1, 1281006160), (2, 640503080), (4, 320251540), (5, 256201232), (7, 183000880), (8, 160125770), (10, 128100616), (14, 91500440), (16, 80062885), (20, 64050308), (23, 55695920), (28, 45750220), (35, 36600176), (40, 32025154), (46, 27847960), (56, 22875110), (70, 18300088), (80, 16012577), (92, 13923980), (112, 11437555), (115, 11139184), (140, 9150044), (161, 7956560), (184, 6961990), (230, 5569592), (271, 4726960), (280, 4575022), (322, 3978280), (367, 3490480), (368, 3480995), (460, 2784796), (542, 2363480), (560, 2287511), (644, 1989140), (734, 1745240), (805, 1591312), (920, 1392398), (1084, 1181740), (1288, 994570), (1355, 945392), (1468, 872620), (1610, 795656), (1835, 698096), (1840, 696199), (1897, 675280), (2168, 590870), (2569, 498640), (2576, 497285), (2710, 472696), (2936, 436310), (3220, 397828), (3670, 349048), (3794, 337640), (4336, 295435), (5138, 249320), (5420, 236348), (5872, 218155), (6233, 205520), (6440, 198914), (7340, 174524), (7588, 168820), (8441, 151760), (9485, 135056), (10276, 124660), (10840, 118174), (12466, 102760), (12845, 99728), (12880, 99457), (14680, 87262), (15176, 84410), (16882, 75880), (18970, 67528), (20552, 62330), (21680, 59087), (24932, 51380), (25690, 49864), (29360, 43631), (30352, 42205), (31165, 41104), (33764, 37940)]