54655720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 149299200

約数和(自身を除く): 94643480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 53, 56, 58, 70, 106, 116, 127, 140, 145, 203, 212, 232, 254, 265, 280, 290, 371, 406, 424, 508, 530, 580, 635, 742, 812, 889, 1015, 1016, 1060, 1160, 1270, 1484, 1537, 1624, 1778, 1855, 2030, 2120, 2540, 2968, 3074, 3556, 3683, 3710, 4060, 4445, 5080, 6148, 6731, 7112, 7366, 7420, 7685, 8120, 8890, 10759, 12296, 13462, 14732, 14840, 15370, 17780, 18415, 21518, 25781, 26924, 29464, 30740, 33655, 35560, 36830, 43036, 47117, 51562, 53795, 53848, 61480, 67310, 73660, 86072, 94234, 103124, 107590, 128905, 134620, 147320, 188468, 195199, 206248, 215180, 235585, 257810, 269240, 376936, 390398, 430360, 471170, 515620, 780796, 942340, 975995, 1031240, 1366393, 1561592, 1884680, 1951990, 2732786, 3903980, 5465572, 6831965, 7807960, 10931144, 13663930, 27327860, 54655720]

約数ペア:

[(1, 54655720), (2, 27327860), (4, 13663930), (5, 10931144), (7, 7807960), (8, 6831965), (10, 5465572), (14, 3903980), (20, 2732786), (28, 1951990), (29, 1884680), (35, 1561592), (40, 1366393), (53, 1031240), (56, 975995), (58, 942340), (70, 780796), (106, 515620), (116, 471170), (127, 430360), (140, 390398), (145, 376936), (203, 269240), (212, 257810), (232, 235585), (254, 215180), (265, 206248), (280, 195199), (290, 188468), (371, 147320), (406, 134620), (424, 128905), (508, 107590), (530, 103124), (580, 94234), (635, 86072), (742, 73660), (812, 67310), (889, 61480), (1015, 53848), (1016, 53795), (1060, 51562), (1160, 47117), (1270, 43036), (1484, 36830), (1537, 35560), (1624, 33655), (1778, 30740), (1855, 29464), (2030, 26924), (2120, 25781), (2540, 21518), (2968, 18415), (3074, 17780), (3556, 15370), (3683, 14840), (3710, 14732), (4060, 13462), (4445, 12296), (5080, 10759), (6148, 8890), (6731, 8120), (7112, 7685), (7366, 7420)]