31891320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 114397920

約数和(自身を除く): 82506600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 193, 204, 216, 243, 255, 270, 306, 324, 340, 360, 386, 405, 408, 459, 486, 510, 540, 579, 612, 648, 680, 765, 772, 810, 918, 965, 972, 1020, 1080, 1158, 1215, 1224, 1377, 1530, 1544, 1620, 1737, 1836, 1930, 1944, 2040, 2295, 2316, 2430, 2754, 2895, 3060, 3240, 3281, 3474, 3672, 3860, 4131, 4590, 4632, 4860, 5211, 5508, 5790, 6120, 6562, 6885, 6948, 7720, 8262, 8685, 9180, 9720, 9843, 10422, 11016, 11580, 13124, 13770, 13896, 15633, 16405, 16524, 17370, 18360, 19686, 20655, 20844, 23160, 26055, 26248, 27540, 29529, 31266, 32810, 33048, 34740, 39372, 41310, 41688, 46899, 49215, 52110, 55080, 59058, 62532, 65620, 69480, 78165, 78744, 82620, 88587, 93798, 98430, 104220, 118116, 125064, 131240, 147645, 156330, 165240, 177174, 187596, 196860, 208440, 234495, 236232, 265761, 295290, 312660, 354348, 375192, 393720, 442935, 468990, 531522, 590580, 625320, 708696, 797283, 885870, 937980, 1063044, 1181160, 1328805, 1594566, 1771740, 1875960, 2126088, 2657610, 3189132, 3543480, 3986415, 5315220, 6378264, 7972830, 10630440, 15945660, 31891320]

約数ペア:

[(1, 31891320), (2, 15945660), (3, 10630440), (4, 7972830), (5, 6378264), (6, 5315220), (8, 3986415), (9, 3543480), (10, 3189132), (12, 2657610), (15, 2126088), (17, 1875960), (18, 1771740), (20, 1594566), (24, 1328805), (27, 1181160), (30, 1063044), (34, 937980), (36, 885870), (40, 797283), (45, 708696), (51, 625320), (54, 590580), (60, 531522), (68, 468990), (72, 442935), (81, 393720), (85, 375192), (90, 354348), (102, 312660), (108, 295290), (120, 265761), (135, 236232), (136, 234495), (153, 208440), (162, 196860), (170, 187596), (180, 177174), (193, 165240), (204, 156330), (216, 147645), (243, 131240), (255, 125064), (270, 118116), (306, 104220), (324, 98430), (340, 93798), (360, 88587), (386, 82620), (405, 78744), (408, 78165), (459, 69480), (486, 65620), (510, 62532), (540, 59058), (579, 55080), (612, 52110), (648, 49215), (680, 46899), (765, 41688), (772, 41310), (810, 39372), (918, 34740), (965, 33048), (972, 32810), (1020, 31266), (1080, 29529), (1158, 27540), (1215, 26248), (1224, 26055), (1377, 23160), (1530, 20844), (1544, 20655), (1620, 19686), (1737, 18360), (1836, 17370), (1930, 16524), (1944, 16405), (2040, 15633), (2295, 13896), (2316, 13770), (2430, 13124), (2754, 11580), (2895, 11016), (3060, 10422), (3240, 9843), (3281, 9720), (3474, 9180), (3672, 8685), (3860, 8262), (4131, 7720), (4590, 6948), (4632, 6885), (4860, 6562), (5211, 6120), (5508, 5790)]