261747720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 256

約数和(自身を含む): 953971200

約数和(自身を除く): 692223480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 103, 104, 108, 117, 120, 130, 135, 156, 180, 181, 195, 206, 216, 234, 260, 270, 309, 312, 351, 360, 362, 390, 412, 468, 515, 520, 540, 543, 585, 618, 702, 724, 780, 824, 905, 927, 936, 1030, 1080, 1086, 1170, 1236, 1339, 1404, 1448, 1545, 1560, 1629, 1755, 1810, 1854, 2060, 2172, 2340, 2353, 2472, 2678, 2715, 2781, 2808, 3090, 3258, 3510, 3620, 3708, 4017, 4120, 4344, 4635, 4680, 4706, 4887, 5356, 5430, 5562, 6180, 6516, 6695, 7020, 7059, 7240, 7416, 8034, 8145, 9270, 9412, 9774, 10712, 10860, 11124, 11765, 12051, 12360, 13032, 13390, 13905, 14040, 14118, 16068, 16290, 18540, 18643, 18824, 19548, 20085, 21177, 21720, 22248, 23530, 24102, 24435, 26780, 27810, 28236, 32136, 32580, 35295, 36153, 37080, 37286, 39096, 40170, 42354, 47060, 48204, 48870, 53560, 55620, 55929, 56472, 60255, 63531, 65160, 70590, 72306, 74572, 80340, 84708, 93215, 94120, 96408, 97740, 105885, 111240, 111858, 120510, 127062, 141180, 144612, 149144, 160680, 167787, 169416, 180765, 186430, 195480, 211770, 223716, 241020, 242359, 254124, 279645, 282360, 289224, 317655, 335574, 361530, 372860, 423540, 447432, 482040, 484718, 503361, 508248, 559290, 635310, 671148, 723060, 727077, 745720, 838935, 847080, 969436, 1006722, 1118580, 1211795, 1270620, 1342296, 1446120, 1454154, 1677870, 1938872, 2013444, 2181231, 2237160, 2423590, 2516805, 2541240, 2908308, 3355740, 3635385, 4026888, 4362462, 4847180, 5033610, 5816616, 6543693, 6711480, 7270770, 8724924, 9694360, 10067220, 10906155, 13087386, 14541540, 17449848, 20134440, 21812310, 26174772, 29083080, 32718465, 43624620, 52349544, 65436930, 87249240, 130873860, 261747720]

約数ペア:

[(1, 261747720), (2, 130873860), (3, 87249240), (4, 65436930), (5, 52349544), (6, 43624620), (8, 32718465), (9, 29083080), (10, 26174772), (12, 21812310), (13, 20134440), (15, 17449848), (18, 14541540), (20, 13087386), (24, 10906155), (26, 10067220), (27, 9694360), (30, 8724924), (36, 7270770), (39, 6711480), (40, 6543693), (45, 5816616), (52, 5033610), (54, 4847180), (60, 4362462), (65, 4026888), (72, 3635385), (78, 3355740), (90, 2908308), (103, 2541240), (104, 2516805), (108, 2423590), (117, 2237160), (120, 2181231), (130, 2013444), (135, 1938872), (156, 1677870), (180, 1454154), (181, 1446120), (195, 1342296), (206, 1270620), (216, 1211795), (234, 1118580), (260, 1006722), (270, 969436), (309, 847080), (312, 838935), (351, 745720), (360, 727077), (362, 723060), (390, 671148), (412, 635310), (468, 559290), (515, 508248), (520, 503361), (540, 484718), (543, 482040), (585, 447432), (618, 423540), (702, 372860), (724, 361530), (780, 335574), (824, 317655), (905, 289224), (927, 282360), (936, 279645), (1030, 254124), (1080, 242359), (1086, 241020), (1170, 223716), (1236, 211770), (1339, 195480), (1404, 186430), (1448, 180765), (1545, 169416), (1560, 167787), (1629, 160680), (1755, 149144), (1810, 144612), (1854, 141180), (2060, 127062), (2172, 120510), (2340, 111858), (2353, 111240), (2472, 105885), (2678, 97740), (2715, 96408), (2781, 94120), (2808, 93215), (3090, 84708), (3258, 80340), (3510, 74572), (3620, 72306), (3708, 70590), (4017, 65160), (4120, 63531), (4344, 60255), (4635, 56472), (4680, 55929), (4706, 55620), (4887, 53560), (5356, 48870), (5430, 48204), (5562, 47060), (6180, 42354), (6516, 40170), (6695, 39096), (7020, 37286), (7059, 37080), (7240, 36153), (7416, 35295), (8034, 32580), (8145, 32136), (9270, 28236), (9412, 27810), (9774, 26780), (10712, 24435), (10860, 24102), (11124, 23530), (11765, 22248), (12051, 21720), (12360, 21177), (13032, 20085), (13390, 19548), (13905, 18824), (14040, 18643), (14118, 18540), (16068, 16290)]