79973820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 252618912

約数和(自身を除く): 172645092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 83, 90, 101, 106, 159, 166, 180, 202, 212, 249, 265, 303, 318, 332, 404, 415, 477, 498, 505, 530, 606, 636, 747, 795, 830, 909, 954, 996, 1010, 1060, 1212, 1245, 1494, 1515, 1590, 1660, 1818, 1908, 2020, 2385, 2490, 2988, 3030, 3180, 3636, 3735, 4399, 4545, 4770, 4980, 5353, 6060, 7470, 8383, 8798, 9090, 9540, 10706, 13197, 14940, 16059, 16766, 17596, 18180, 21412, 21995, 25149, 26394, 26765, 32118, 33532, 39591, 41915, 43990, 48177, 50298, 52788, 53530, 64236, 65985, 75447, 79182, 80295, 83830, 87980, 96354, 100596, 107060, 125745, 131970, 150894, 158364, 160590, 167660, 192708, 197955, 240885, 251490, 263940, 301788, 321180, 377235, 395910, 444299, 481770, 502980, 754470, 791820, 888598, 963540, 1332897, 1508940, 1777196, 2221495, 2665794, 3998691, 4442990, 5331588, 6664485, 7997382, 8885980, 13328970, 15994764, 19993455, 26657940, 39986910, 79973820]

約数ペア:

[(1, 79973820), (2, 39986910), (3, 26657940), (4, 19993455), (5, 15994764), (6, 13328970), (9, 8885980), (10, 7997382), (12, 6664485), (15, 5331588), (18, 4442990), (20, 3998691), (30, 2665794), (36, 2221495), (45, 1777196), (53, 1508940), (60, 1332897), (83, 963540), (90, 888598), (101, 791820), (106, 754470), (159, 502980), (166, 481770), (180, 444299), (202, 395910), (212, 377235), (249, 321180), (265, 301788), (303, 263940), (318, 251490), (332, 240885), (404, 197955), (415, 192708), (477, 167660), (498, 160590), (505, 158364), (530, 150894), (606, 131970), (636, 125745), (747, 107060), (795, 100596), (830, 96354), (909, 87980), (954, 83830), (996, 80295), (1010, 79182), (1060, 75447), (1212, 65985), (1245, 64236), (1494, 53530), (1515, 52788), (1590, 50298), (1660, 48177), (1818, 43990), (1908, 41915), (2020, 39591), (2385, 33532), (2490, 32118), (2988, 26765), (3030, 26394), (3180, 25149), (3636, 21995), (3735, 21412), (4399, 18180), (4545, 17596), (4770, 16766), (4980, 16059), (5353, 14940), (6060, 13197), (7470, 10706), (8383, 9540), (8798, 9090)]