205780240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1823}}^1$

素因数の和:1936

約数の個数: 80

約数和(自身を含む): 512967168

約数和(自身を除く): 307186928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 332, 340, 415, 664, 680, 830, 1328, 1360, 1411, 1660, 1823, 2822, 3320, 3646, 5644, 6640, 7055, 7292, 9115, 11288, 14110, 14584, 18230, 22576, 28220, 29168, 30991, 36460, 56440, 61982, 72920, 112880, 123964, 145840, 151309, 154955, 247928, 302618, 309910, 495856, 605236, 619820, 756545, 1210472, 1239640, 1513090, 2420944, 2479280, 2572253, 3026180, 5144506, 6052360, 10289012, 12104720, 12861265, 20578024, 25722530, 41156048, 51445060, 102890120, 205780240]

約数ペア:

[(1, 205780240), (2, 102890120), (4, 51445060), (5, 41156048), (8, 25722530), (10, 20578024), (16, 12861265), (17, 12104720), (20, 10289012), (34, 6052360), (40, 5144506), (68, 3026180), (80, 2572253), (83, 2479280), (85, 2420944), (136, 1513090), (166, 1239640), (170, 1210472), (272, 756545), (332, 619820), (340, 605236), (415, 495856), (664, 309910), (680, 302618), (830, 247928), (1328, 154955), (1360, 151309), (1411, 145840), (1660, 123964), (1823, 112880), (2822, 72920), (3320, 61982), (3646, 56440), (5644, 36460), (6640, 30991), (7055, 29168), (7292, 28220), (9115, 22576), (11288, 18230), (14110, 14584)]