64884420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 205837632

約数和(自身を除く): 140953212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 83, 86, 90, 101, 129, 166, 172, 180, 202, 215, 249, 258, 303, 332, 387, 404, 415, 430, 498, 505, 516, 606, 645, 747, 774, 830, 860, 909, 996, 1010, 1212, 1245, 1290, 1494, 1515, 1548, 1660, 1818, 1935, 2020, 2490, 2580, 2988, 3030, 3569, 3636, 3735, 3870, 4343, 4545, 4980, 6060, 7138, 7470, 7740, 8383, 8686, 9090, 10707, 13029, 14276, 14940, 16766, 17372, 17845, 18180, 21414, 21715, 25149, 26058, 32121, 33532, 35690, 39087, 41915, 42828, 43430, 50298, 52116, 53535, 64242, 65145, 71380, 75447, 78174, 83830, 86860, 100596, 107070, 125745, 128484, 130290, 150894, 156348, 160605, 167660, 195435, 214140, 251490, 260580, 301788, 321210, 360469, 377235, 390870, 502980, 642420, 720938, 754470, 781740, 1081407, 1441876, 1508940, 1802345, 2162814, 3244221, 3604690, 4325628, 5407035, 6488442, 7209380, 10814070, 12976884, 16221105, 21628140, 32442210, 64884420]

約数ペア:

[(1, 64884420), (2, 32442210), (3, 21628140), (4, 16221105), (5, 12976884), (6, 10814070), (9, 7209380), (10, 6488442), (12, 5407035), (15, 4325628), (18, 3604690), (20, 3244221), (30, 2162814), (36, 1802345), (43, 1508940), (45, 1441876), (60, 1081407), (83, 781740), (86, 754470), (90, 720938), (101, 642420), (129, 502980), (166, 390870), (172, 377235), (180, 360469), (202, 321210), (215, 301788), (249, 260580), (258, 251490), (303, 214140), (332, 195435), (387, 167660), (404, 160605), (415, 156348), (430, 150894), (498, 130290), (505, 128484), (516, 125745), (606, 107070), (645, 100596), (747, 86860), (774, 83830), (830, 78174), (860, 75447), (909, 71380), (996, 65145), (1010, 64242), (1212, 53535), (1245, 52116), (1290, 50298), (1494, 43430), (1515, 42828), (1548, 41915), (1660, 39087), (1818, 35690), (1935, 33532), (2020, 32121), (2490, 26058), (2580, 25149), (2988, 21715), (3030, 21414), (3569, 18180), (3636, 17845), (3735, 17372), (3870, 16766), (4343, 14940), (4545, 14276), (4980, 13029), (6060, 10707), (7138, 9090), (7470, 8686), (7740, 8383)]