81573480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1$

素因数の和:1521

約数の個数: 160

約数和(自身を含む): 290501640

約数和(自身を除く): 208928160

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, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 540, 612, 648, 680, 765, 810, 918, 1020, 1080, 1224, 1377, 1481, 1530, 1620, 1836, 2040, 2295, 2754, 2962, 3060, 3240, 3672, 4443, 4590, 5508, 5924, 6120, 6885, 7405, 8886, 9180, 11016, 11848, 13329, 13770, 14810, 17772, 18360, 22215, 25177, 26658, 27540, 29620, 35544, 39987, 44430, 50354, 53316, 55080, 59240, 66645, 75531, 79974, 88860, 100708, 106632, 119961, 125885, 133290, 151062, 159948, 177720, 199935, 201416, 226593, 239922, 251770, 266580, 302124, 319896, 377655, 399870, 453186, 479844, 503540, 533160, 599805, 604248, 679779, 755310, 799740, 906372, 959688, 1007080, 1132965, 1199610, 1359558, 1510620, 1599480, 1812744, 2039337, 2265930, 2399220, 2719116, 3021240, 3398895, 4078674, 4531860, 4798440, 5438232, 6797790, 8157348, 9063720, 10196685, 13595580, 16314696, 20393370, 27191160, 40786740, 81573480]

約数ペア:

[(1, 81573480), (2, 40786740), (3, 27191160), (4, 20393370), (5, 16314696), (6, 13595580), (8, 10196685), (9, 9063720), (10, 8157348), (12, 6797790), (15, 5438232), (17, 4798440), (18, 4531860), (20, 4078674), (24, 3398895), (27, 3021240), (30, 2719116), (34, 2399220), (36, 2265930), (40, 2039337), (45, 1812744), (51, 1599480), (54, 1510620), (60, 1359558), (68, 1199610), (72, 1132965), (81, 1007080), (85, 959688), (90, 906372), (102, 799740), (108, 755310), (120, 679779), (135, 604248), (136, 599805), (153, 533160), (162, 503540), (170, 479844), (180, 453186), (204, 399870), (216, 377655), (255, 319896), (270, 302124), (306, 266580), (324, 251770), (340, 239922), (360, 226593), (405, 201416), (408, 199935), (459, 177720), (510, 159948), (540, 151062), (612, 133290), (648, 125885), (680, 119961), (765, 106632), (810, 100708), (918, 88860), (1020, 79974), (1080, 75531), (1224, 66645), (1377, 59240), (1481, 55080), (1530, 53316), (1620, 50354), (1836, 44430), (2040, 39987), (2295, 35544), (2754, 29620), (2962, 27540), (3060, 26658), (3240, 25177), (3672, 22215), (4443, 18360), (4590, 17772), (5508, 14810), (5924, 13770), (6120, 13329), (6885, 11848), (7405, 11016), (8886, 9180)]