121782640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 120

約数和(自身を含む): 336889152

約数和(自身を除く): 215106512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 560, 658, 661, 752, 784, 940, 980, 1316, 1322, 1645, 1880, 1960, 2303, 2632, 2644, 3290, 3305, 3760, 3920, 4606, 4627, 5264, 5288, 6580, 6610, 9212, 9254, 10576, 11515, 13160, 13220, 18424, 18508, 23030, 23135, 26320, 26440, 31067, 32389, 36848, 37016, 46060, 46270, 52880, 62134, 64778, 74032, 92120, 92540, 124268, 129556, 155335, 161945, 184240, 185080, 217469, 248536, 259112, 310670, 323890, 370160, 434938, 497072, 518224, 621340, 647780, 869876, 1087345, 1242680, 1295560, 1522283, 1739752, 2174690, 2485360, 2591120, 3044566, 3479504, 4349380, 6089132, 7611415, 8698760, 12178264, 15222830, 17397520, 24356528, 30445660, 60891320, 121782640]

約数ペア:

[(1, 121782640), (2, 60891320), (4, 30445660), (5, 24356528), (7, 17397520), (8, 15222830), (10, 12178264), (14, 8698760), (16, 7611415), (20, 6089132), (28, 4349380), (35, 3479504), (40, 3044566), (47, 2591120), (49, 2485360), (56, 2174690), (70, 1739752), (80, 1522283), (94, 1295560), (98, 1242680), (112, 1087345), (140, 869876), (188, 647780), (196, 621340), (235, 518224), (245, 497072), (280, 434938), (329, 370160), (376, 323890), (392, 310670), (470, 259112), (490, 248536), (560, 217469), (658, 185080), (661, 184240), (752, 161945), (784, 155335), (940, 129556), (980, 124268), (1316, 92540), (1322, 92120), (1645, 74032), (1880, 64778), (1960, 62134), (2303, 52880), (2632, 46270), (2644, 46060), (3290, 37016), (3305, 36848), (3760, 32389), (3920, 31067), (4606, 26440), (4627, 26320), (5264, 23135), (5288, 23030), (6580, 18508), (6610, 18424), (9212, 13220), (9254, 13160), (10576, 11515)]