75142480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 120

約数和(自身を含む): 210555720

約数和(自身を除く): 135413240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 661, 784, 812, 980, 1015, 1160, 1322, 1421, 1624, 1960, 2030, 2320, 2644, 2842, 3248, 3305, 3920, 4060, 4627, 5288, 5684, 6610, 7105, 8120, 9254, 10576, 11368, 13220, 14210, 16240, 18508, 19169, 22736, 23135, 26440, 28420, 32389, 37016, 38338, 46270, 52880, 56840, 64778, 74032, 76676, 92540, 95845, 113680, 129556, 134183, 153352, 161945, 185080, 191690, 259112, 268366, 306704, 323890, 370160, 383380, 518224, 536732, 647780, 670915, 766760, 939281, 1073464, 1295560, 1341830, 1533520, 1878562, 2146928, 2591120, 2683660, 3757124, 4696405, 5367320, 7514248, 9392810, 10734640, 15028496, 18785620, 37571240, 75142480]

約数ペア:

[(1, 75142480), (2, 37571240), (4, 18785620), (5, 15028496), (7, 10734640), (8, 9392810), (10, 7514248), (14, 5367320), (16, 4696405), (20, 3757124), (28, 2683660), (29, 2591120), (35, 2146928), (40, 1878562), (49, 1533520), (56, 1341830), (58, 1295560), (70, 1073464), (80, 939281), (98, 766760), (112, 670915), (116, 647780), (140, 536732), (145, 518224), (196, 383380), (203, 370160), (232, 323890), (245, 306704), (280, 268366), (290, 259112), (392, 191690), (406, 185080), (464, 161945), (490, 153352), (560, 134183), (580, 129556), (661, 113680), (784, 95845), (812, 92540), (980, 76676), (1015, 74032), (1160, 64778), (1322, 56840), (1421, 52880), (1624, 46270), (1960, 38338), (2030, 37016), (2320, 32389), (2644, 28420), (2842, 26440), (3248, 23135), (3305, 22736), (3920, 19169), (4060, 18508), (4627, 16240), (5288, 14210), (5684, 13220), (6610, 11368), (7105, 10576), (8120, 9254)]