171828720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 667909632

約数和(自身を除く): 496080912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 103, 105, 112, 120, 126, 140, 144, 168, 180, 206, 210, 240, 252, 280, 309, 315, 331, 336, 360, 412, 420, 504, 515, 560, 618, 630, 662, 720, 721, 824, 840, 927, 993, 1008, 1030, 1236, 1260, 1324, 1442, 1545, 1648, 1655, 1680, 1854, 1986, 2060, 2163, 2317, 2472, 2520, 2648, 2884, 2979, 3090, 3310, 3605, 3708, 3972, 4120, 4326, 4634, 4635, 4944, 4965, 5040, 5296, 5768, 5958, 6180, 6489, 6620, 6951, 7210, 7416, 7944, 8240, 8652, 9268, 9270, 9930, 10815, 11536, 11585, 11916, 12360, 12978, 13240, 13902, 14420, 14832, 14895, 15888, 17304, 18536, 18540, 19860, 20853, 21630, 23170, 23832, 24720, 25956, 26480, 27804, 28840, 29790, 32445, 34093, 34608, 34755, 37072, 37080, 39720, 41706, 43260, 46340, 47664, 51912, 55608, 57680, 59580, 64890, 68186, 69510, 74160, 79440, 83412, 86520, 92680, 102279, 103824, 104265, 111216, 119160, 129780, 136372, 139020, 166824, 170465, 173040, 185360, 204558, 208530, 238320, 238651, 259560, 272744, 278040, 306837, 333648, 340930, 409116, 417060, 477302, 511395, 519120, 545488, 556080, 613674, 681860, 715953, 818232, 834120, 954604, 1022790, 1193255, 1227348, 1363720, 1431906, 1534185, 1636464, 1668240, 1909208, 2045580, 2147859, 2386510, 2454696, 2727440, 2863812, 3068370, 3579765, 3818416, 4091160, 4295718, 4773020, 4909392, 5727624, 6136740, 7159530, 8182320, 8591436, 9546040, 10739295, 11455248, 12273480, 14319060, 17182872, 19092080, 21478590, 24546960, 28638120, 34365744, 42957180, 57276240, 85914360, 171828720]

約数ペア:

[(1, 171828720), (2, 85914360), (3, 57276240), (4, 42957180), (5, 34365744), (6, 28638120), (7, 24546960), (8, 21478590), (9, 19092080), (10, 17182872), (12, 14319060), (14, 12273480), (15, 11455248), (16, 10739295), (18, 9546040), (20, 8591436), (21, 8182320), (24, 7159530), (28, 6136740), (30, 5727624), (35, 4909392), (36, 4773020), (40, 4295718), (42, 4091160), (45, 3818416), (48, 3579765), (56, 3068370), (60, 2863812), (63, 2727440), (70, 2454696), (72, 2386510), (80, 2147859), (84, 2045580), (90, 1909208), (103, 1668240), (105, 1636464), (112, 1534185), (120, 1431906), (126, 1363720), (140, 1227348), (144, 1193255), (168, 1022790), (180, 954604), (206, 834120), (210, 818232), (240, 715953), (252, 681860), (280, 613674), (309, 556080), (315, 545488), (331, 519120), (336, 511395), (360, 477302), (412, 417060), (420, 409116), (504, 340930), (515, 333648), (560, 306837), (618, 278040), (630, 272744), (662, 259560), (720, 238651), (721, 238320), (824, 208530), (840, 204558), (927, 185360), (993, 173040), (1008, 170465), (1030, 166824), (1236, 139020), (1260, 136372), (1324, 129780), (1442, 119160), (1545, 111216), (1648, 104265), (1655, 103824), (1680, 102279), (1854, 92680), (1986, 86520), (2060, 83412), (2163, 79440), (2317, 74160), (2472, 69510), (2520, 68186), (2648, 64890), (2884, 59580), (2979, 57680), (3090, 55608), (3310, 51912), (3605, 47664), (3708, 46340), (3972, 43260), (4120, 41706), (4326, 39720), (4634, 37080), (4635, 37072), (4944, 34755), (4965, 34608), (5040, 34093), (5296, 32445), (5768, 29790), (5958, 28840), (6180, 27804), (6489, 26480), (6620, 25956), (6951, 24720), (7210, 23832), (7416, 23170), (7944, 21630), (8240, 20853), (8652, 19860), (9268, 18540), (9270, 18536), (9930, 17304), (10815, 15888), (11536, 14895), (11585, 14832), (11916, 14420), (12360, 13902), (12978, 13240)]