61507980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 198132480

約数和(自身を除く): 136624500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 83, 90, 92, 115, 138, 166, 179, 180, 207, 230, 249, 276, 332, 345, 358, 414, 415, 460, 498, 537, 690, 716, 747, 828, 830, 895, 996, 1035, 1074, 1245, 1380, 1494, 1611, 1660, 1790, 1909, 2070, 2148, 2490, 2685, 2988, 3222, 3580, 3735, 3818, 4117, 4140, 4980, 5370, 5727, 6444, 7470, 7636, 8055, 8234, 9545, 10740, 11454, 12351, 14857, 14940, 16110, 16468, 17181, 19090, 20585, 22908, 24702, 28635, 29714, 32220, 34362, 37053, 38180, 41170, 44571, 49404, 57270, 59428, 61755, 68724, 74106, 74285, 82340, 85905, 89142, 114540, 123510, 133713, 148212, 148570, 171810, 178284, 185265, 222855, 247020, 267426, 297140, 341711, 343620, 370530, 445710, 534852, 668565, 683422, 741060, 891420, 1025133, 1337130, 1366844, 1708555, 2050266, 2674260, 3075399, 3417110, 4100532, 5125665, 6150798, 6834220, 10251330, 12301596, 15376995, 20502660, 30753990, 61507980]

約数ペア:

[(1, 61507980), (2, 30753990), (3, 20502660), (4, 15376995), (5, 12301596), (6, 10251330), (9, 6834220), (10, 6150798), (12, 5125665), (15, 4100532), (18, 3417110), (20, 3075399), (23, 2674260), (30, 2050266), (36, 1708555), (45, 1366844), (46, 1337130), (60, 1025133), (69, 891420), (83, 741060), (90, 683422), (92, 668565), (115, 534852), (138, 445710), (166, 370530), (179, 343620), (180, 341711), (207, 297140), (230, 267426), (249, 247020), (276, 222855), (332, 185265), (345, 178284), (358, 171810), (414, 148570), (415, 148212), (460, 133713), (498, 123510), (537, 114540), (690, 89142), (716, 85905), (747, 82340), (828, 74285), (830, 74106), (895, 68724), (996, 61755), (1035, 59428), (1074, 57270), (1245, 49404), (1380, 44571), (1494, 41170), (1611, 38180), (1660, 37053), (1790, 34362), (1909, 32220), (2070, 29714), (2148, 28635), (2490, 24702), (2685, 22908), (2988, 20585), (3222, 19090), (3580, 17181), (3735, 16468), (3818, 16110), (4117, 14940), (4140, 14857), (4980, 12351), (5370, 11454), (5727, 10740), (6444, 9545), (7470, 8234), (7636, 8055)]