175090720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1023

約数の個数: 144

約数和(自身を含む): 502625088

約数和(自身を除く): 327534368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 971, 980, 1120, 1127, 1288, 1568, 1610, 1840, 1942, 1960, 2254, 2576, 3220, 3680, 3884, 3920, 4508, 4855, 5152, 5635, 6440, 6797, 7768, 7840, 9016, 9710, 11270, 12880, 13594, 15536, 18032, 19420, 22333, 22540, 25760, 27188, 31072, 33985, 36064, 38840, 44666, 45080, 47579, 54376, 67970, 77680, 89332, 90160, 95158, 108752, 111665, 135940, 155360, 156331, 178664, 180320, 190316, 217504, 223330, 237895, 271880, 312662, 357328, 380632, 446660, 475790, 543760, 625324, 714656, 761264, 781655, 893320, 951580, 1087520, 1094317, 1250648, 1522528, 1563310, 1786640, 1903160, 2188634, 2501296, 3126620, 3573280, 3806320, 4377268, 5002592, 5471585, 6253240, 7612640, 8754536, 10943170, 12506480, 17509072, 21886340, 25012960, 35018144, 43772680, 87545360, 175090720]

約数ペア:

[(1, 175090720), (2, 87545360), (4, 43772680), (5, 35018144), (7, 25012960), (8, 21886340), (10, 17509072), (14, 12506480), (16, 10943170), (20, 8754536), (23, 7612640), (28, 6253240), (32, 5471585), (35, 5002592), (40, 4377268), (46, 3806320), (49, 3573280), (56, 3126620), (70, 2501296), (80, 2188634), (92, 1903160), (98, 1786640), (112, 1563310), (115, 1522528), (140, 1250648), (160, 1094317), (161, 1087520), (184, 951580), (196, 893320), (224, 781655), (230, 761264), (245, 714656), (280, 625324), (322, 543760), (368, 475790), (392, 446660), (460, 380632), (490, 357328), (560, 312662), (644, 271880), (736, 237895), (784, 223330), (805, 217504), (920, 190316), (971, 180320), (980, 178664), (1120, 156331), (1127, 155360), (1288, 135940), (1568, 111665), (1610, 108752), (1840, 95158), (1942, 90160), (1960, 89332), (2254, 77680), (2576, 67970), (3220, 54376), (3680, 47579), (3884, 45080), (3920, 44666), (4508, 38840), (4855, 36064), (5152, 33985), (5635, 31072), (6440, 27188), (6797, 25760), (7768, 22540), (7840, 22333), (9016, 19420), (9710, 18032), (11270, 15536), (12880, 13594)]