1278243720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:717

約数の個数: 256

約数和(自身を含む): 4623091200

約数和(自身を除く): 3344847480

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, 104, 108, 117, 120, 130, 135, 156, 180, 181, 195, 216, 234, 260, 270, 312, 351, 360, 362, 390, 468, 503, 520, 540, 543, 585, 702, 724, 780, 905, 936, 1006, 1080, 1086, 1170, 1404, 1448, 1509, 1560, 1629, 1755, 1810, 2012, 2172, 2340, 2353, 2515, 2715, 2808, 3018, 3258, 3510, 3620, 4024, 4344, 4527, 4680, 4706, 4887, 5030, 5430, 6036, 6516, 6539, 7020, 7059, 7240, 7545, 8145, 9054, 9412, 9774, 10060, 10860, 11765, 12072, 13032, 13078, 13581, 14040, 14118, 15090, 16290, 18108, 18824, 19548, 19617, 20120, 21177, 21720, 22635, 23530, 24435, 26156, 27162, 28236, 30180, 32580, 32695, 35295, 36216, 39096, 39234, 42354, 45270, 47060, 48870, 52312, 54324, 56472, 58851, 60360, 63531, 65160, 65390, 67905, 70590, 78468, 84708, 90540, 91043, 94120, 97740, 98085, 105885, 108648, 117702, 127062, 130780, 135810, 141180, 156936, 169416, 176553, 181080, 182086, 195480, 196170, 211770, 235404, 254124, 261560, 271620, 273129, 282360, 294255, 317655, 353106, 364172, 392340, 423540, 455215, 470808, 508248, 543240, 546258, 588510, 635310, 706212, 728344, 784680, 819387, 847080, 882765, 910430, 1092516, 1177020, 1183559, 1270620, 1365645, 1412424, 1638774, 1765530, 1820860, 2185032, 2354040, 2367118, 2458161, 2541240, 2731290, 3277548, 3531060, 3550677, 3641720, 4096935, 4734236, 4916322, 5462580, 5917795, 6555096, 7062120, 7101354, 8193870, 9468472, 9832644, 10652031, 10925160, 11835590, 12290805, 14202708, 16387740, 17753385, 19665288, 21304062, 23671180, 24581610, 28405416, 31956093, 32775480, 35506770, 42608124, 47342360, 49163220, 53260155, 63912186, 71013540, 85216248, 98326440, 106520310, 127824372, 142027080, 159780465, 213040620, 255648744, 319560930, 426081240, 639121860, 1278243720]

約数ペア:

[(1, 1278243720), (2, 639121860), (3, 426081240), (4, 319560930), (5, 255648744), (6, 213040620), (8, 159780465), (9, 142027080), (10, 127824372), (12, 106520310), (13, 98326440), (15, 85216248), (18, 71013540), (20, 63912186), (24, 53260155), (26, 49163220), (27, 47342360), (30, 42608124), (36, 35506770), (39, 32775480), (40, 31956093), (45, 28405416), (52, 24581610), (54, 23671180), (60, 21304062), (65, 19665288), (72, 17753385), (78, 16387740), (90, 14202708), (104, 12290805), (108, 11835590), (117, 10925160), (120, 10652031), (130, 9832644), (135, 9468472), (156, 8193870), (180, 7101354), (181, 7062120), (195, 6555096), (216, 5917795), (234, 5462580), (260, 4916322), (270, 4734236), (312, 4096935), (351, 3641720), (360, 3550677), (362, 3531060), (390, 3277548), (468, 2731290), (503, 2541240), (520, 2458161), (540, 2367118), (543, 2354040), (585, 2185032), (702, 1820860), (724, 1765530), (780, 1638774), (905, 1412424), (936, 1365645), (1006, 1270620), (1080, 1183559), (1086, 1177020), (1170, 1092516), (1404, 910430), (1448, 882765), (1509, 847080), (1560, 819387), (1629, 784680), (1755, 728344), (1810, 706212), (2012, 635310), (2172, 588510), (2340, 546258), (2353, 543240), (2515, 508248), (2715, 470808), (2808, 455215), (3018, 423540), (3258, 392340), (3510, 364172), (3620, 353106), (4024, 317655), (4344, 294255), (4527, 282360), (4680, 273129), (4706, 271620), (4887, 261560), (5030, 254124), (5430, 235404), (6036, 211770), (6516, 196170), (6539, 195480), (7020, 182086), (7059, 181080), (7240, 176553), (7545, 169416), (8145, 156936), (9054, 141180), (9412, 135810), (9774, 130780), (10060, 127062), (10860, 117702), (11765, 108648), (12072, 105885), (13032, 98085), (13078, 97740), (13581, 94120), (14040, 91043), (14118, 90540), (15090, 84708), (16290, 78468), (18108, 70590), (18824, 67905), (19548, 65390), (19617, 65160), (20120, 63531), (21177, 60360), (21720, 58851), (22635, 56472), (23530, 54324), (24435, 52312), (26156, 48870), (27162, 47060), (28236, 45270), (30180, 42354), (32580, 39234), (32695, 39096), (35295, 36216)]