813305880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20353}}^1$

素因数の和:20410

約数の個数: 128

約数和(自身を含む): 2784427200

約数和(自身を除く): 1971121320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1998, 2220, 2664, 3330, 3996, 4440, 4995, 6660, 7992, 9990, 13320, 19980, 20353, 39960, 40706, 61059, 81412, 101765, 122118, 162824, 183177, 203530, 244236, 305295, 366354, 407060, 488472, 549531, 610590, 732708, 753061, 814120, 915885, 1099062, 1221180, 1465416, 1506122, 1831770, 2198124, 2259183, 2442360, 2747655, 3012244, 3663540, 3765305, 4396248, 4518366, 5495310, 6024488, 6777549, 7327080, 7530610, 9036732, 10990620, 11295915, 13555098, 15061220, 18073464, 20332647, 21981240, 22591830, 27110196, 30122440, 33887745, 40665294, 45183660, 54220392, 67775490, 81330588, 90367320, 101663235, 135550980, 162661176, 203326470, 271101960, 406652940, 813305880]

約数ペア:

[(1, 813305880), (2, 406652940), (3, 271101960), (4, 203326470), (5, 162661176), (6, 135550980), (8, 101663235), (9, 90367320), (10, 81330588), (12, 67775490), (15, 54220392), (18, 45183660), (20, 40665294), (24, 33887745), (27, 30122440), (30, 27110196), (36, 22591830), (37, 21981240), (40, 20332647), (45, 18073464), (54, 15061220), (60, 13555098), (72, 11295915), (74, 10990620), (90, 9036732), (108, 7530610), (111, 7327080), (120, 6777549), (135, 6024488), (148, 5495310), (180, 4518366), (185, 4396248), (216, 3765305), (222, 3663540), (270, 3012244), (296, 2747655), (333, 2442360), (360, 2259183), (370, 2198124), (444, 1831770), (540, 1506122), (555, 1465416), (666, 1221180), (740, 1099062), (888, 915885), (999, 814120), (1080, 753061), (1110, 732708), (1332, 610590), (1480, 549531), (1665, 488472), (1998, 407060), (2220, 366354), (2664, 305295), (3330, 244236), (3996, 203530), (4440, 183177), (4995, 162824), (6660, 122118), (7992, 101765), (9990, 81412), (13320, 61059), (19980, 40706), (20353, 39960)]