1978060560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^2$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 7160363136

約数和(自身を除く): 5182302576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 127, 140, 146, 168, 210, 219, 240, 254, 280, 292, 336, 365, 381, 420, 438, 508, 511, 560, 584, 635, 730, 762, 840, 876, 889, 1016, 1022, 1095, 1168, 1270, 1460, 1524, 1533, 1680, 1752, 1778, 1905, 2032, 2044, 2190, 2540, 2555, 2667, 2920, 3048, 3066, 3504, 3556, 3810, 4088, 4380, 4445, 5080, 5110, 5334, 5840, 6096, 6132, 7112, 7620, 7665, 8176, 8760, 8890, 9271, 10160, 10220, 10668, 12264, 13335, 14224, 15240, 15330, 16129, 17520, 17780, 18542, 20440, 21336, 24528, 26670, 27813, 30480, 30660, 32258, 35560, 37084, 40880, 42672, 46355, 48387, 53340, 55626, 61320, 64516, 64897, 71120, 74168, 80645, 92710, 96774, 106680, 111252, 112903, 122640, 129032, 129794, 139065, 148336, 161290, 185420, 193548, 194691, 213360, 222504, 225806, 241935, 258064, 259588, 278130, 322580, 324485, 338709, 370840, 387096, 389382, 445008, 451612, 483870, 519176, 556260, 564515, 645160, 648970, 677418, 741680, 774192, 778764, 903224, 967740, 973455, 1038352, 1112520, 1129030, 1177417, 1290320, 1297940, 1354836, 1557528, 1693545, 1806448, 1935480, 1946910, 2225040, 2258060, 2354834, 2595880, 2709672, 3115056, 3387090, 3532251, 3870960, 3893820, 4516120, 4709668, 5191760, 5419344, 5887085, 6774180, 7064502, 7787640, 8241919, 9032240, 9419336, 11774170, 13548360, 14129004, 15575280, 16483838, 17661255, 18838672, 23548340, 24725757, 27096720, 28258008, 32967676, 35322510, 41209595, 47096680, 49451514, 56516016, 65935352, 70645020, 82419190, 94193360, 98903028, 123628785, 131870704, 141290040, 164838380, 197806056, 247257570, 282580080, 329676760, 395612112, 494515140, 659353520, 989030280, 1978060560]

約数ペア:

[(1, 1978060560), (2, 989030280), (3, 659353520), (4, 494515140), (5, 395612112), (6, 329676760), (7, 282580080), (8, 247257570), (10, 197806056), (12, 164838380), (14, 141290040), (15, 131870704), (16, 123628785), (20, 98903028), (21, 94193360), (24, 82419190), (28, 70645020), (30, 65935352), (35, 56516016), (40, 49451514), (42, 47096680), (48, 41209595), (56, 35322510), (60, 32967676), (70, 28258008), (73, 27096720), (80, 24725757), (84, 23548340), (105, 18838672), (112, 17661255), (120, 16483838), (127, 15575280), (140, 14129004), (146, 13548360), (168, 11774170), (210, 9419336), (219, 9032240), (240, 8241919), (254, 7787640), (280, 7064502), (292, 6774180), (336, 5887085), (365, 5419344), (381, 5191760), (420, 4709668), (438, 4516120), (508, 3893820), (511, 3870960), (560, 3532251), (584, 3387090), (635, 3115056), (730, 2709672), (762, 2595880), (840, 2354834), (876, 2258060), (889, 2225040), (1016, 1946910), (1022, 1935480), (1095, 1806448), (1168, 1693545), (1270, 1557528), (1460, 1354836), (1524, 1297940), (1533, 1290320), (1680, 1177417), (1752, 1129030), (1778, 1112520), (1905, 1038352), (2032, 973455), (2044, 967740), (2190, 903224), (2540, 778764), (2555, 774192), (2667, 741680), (2920, 677418), (3048, 648970), (3066, 645160), (3504, 564515), (3556, 556260), (3810, 519176), (4088, 483870), (4380, 451612), (4445, 445008), (5080, 389382), (5110, 387096), (5334, 370840), (5840, 338709), (6096, 324485), (6132, 322580), (7112, 278130), (7620, 259588), (7665, 258064), (8176, 241935), (8760, 225806), (8890, 222504), (9271, 213360), (10160, 194691), (10220, 193548), (10668, 185420), (12264, 161290), (13335, 148336), (14224, 139065), (15240, 129794), (15330, 129032), (16129, 122640), (17520, 112903), (17780, 111252), (18542, 106680), (20440, 96774), (21336, 92710), (24528, 80645), (26670, 74168), (27813, 71120), (30480, 64897), (30660, 64516), (32258, 61320), (35560, 55626), (37084, 53340), (40880, 48387), (42672, 46355)]