821404080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2063}}^1$

素因数の和:2168

約数の個数: 240

約数和(自身を含む): 3194081280

約数和(自身を除く): 2372677200

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, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1422, 1580, 1659, 1680, 1896, 2063, 2212, 2370, 2520, 2765, 2844, 3160, 3318, 3555, 3792, 4126, 4424, 4740, 4977, 5040, 5530, 5688, 6189, 6320, 6636, 7110, 8252, 8295, 8848, 9480, 9954, 10315, 11060, 11376, 12378, 13272, 14220, 14441, 16504, 16590, 18567, 18960, 19908, 20630, 22120, 24756, 24885, 26544, 28440, 28882, 30945, 33008, 33180, 37134, 39816, 41260, 43323, 44240, 49512, 49770, 56880, 57764, 61890, 66360, 72205, 74268, 79632, 82520, 86646, 92835, 99024, 99540, 115528, 123780, 129969, 132720, 144410, 148536, 162977, 165040, 173292, 185670, 199080, 216615, 231056, 247560, 259938, 288820, 297072, 325954, 346584, 371340, 398160, 433230, 488931, 495120, 519876, 577640, 649845, 651908, 693168, 742680, 814885, 866460, 977862, 1039752, 1140839, 1155280, 1299690, 1303816, 1466793, 1485360, 1629770, 1732920, 1955724, 2079504, 2281678, 2444655, 2599380, 2607632, 2933586, 3259540, 3422517, 3465840, 3911448, 4563356, 4889310, 5198760, 5704195, 5867172, 6519080, 6845034, 7333965, 7822896, 9126712, 9778620, 10267551, 10397520, 11408390, 11734344, 13038160, 13690068, 14667930, 17112585, 18253424, 19557240, 20535102, 22816780, 23468688, 27380136, 29335860, 34225170, 39114480, 41070204, 45633560, 51337755, 54760272, 58671720, 68450340, 82140408, 91267120, 102675510, 117343440, 136900680, 164280816, 205351020, 273801360, 410702040, 821404080]

約数ペア:

[(1, 821404080), (2, 410702040), (3, 273801360), (4, 205351020), (5, 164280816), (6, 136900680), (7, 117343440), (8, 102675510), (9, 91267120), (10, 82140408), (12, 68450340), (14, 58671720), (15, 54760272), (16, 51337755), (18, 45633560), (20, 41070204), (21, 39114480), (24, 34225170), (28, 29335860), (30, 27380136), (35, 23468688), (36, 22816780), (40, 20535102), (42, 19557240), (45, 18253424), (48, 17112585), (56, 14667930), (60, 13690068), (63, 13038160), (70, 11734344), (72, 11408390), (79, 10397520), (80, 10267551), (84, 9778620), (90, 9126712), (105, 7822896), (112, 7333965), (120, 6845034), (126, 6519080), (140, 5867172), (144, 5704195), (158, 5198760), (168, 4889310), (180, 4563356), (210, 3911448), (237, 3465840), (240, 3422517), (252, 3259540), (280, 2933586), (315, 2607632), (316, 2599380), (336, 2444655), (360, 2281678), (395, 2079504), (420, 1955724), (474, 1732920), (504, 1629770), (553, 1485360), (560, 1466793), (630, 1303816), (632, 1299690), (711, 1155280), (720, 1140839), (790, 1039752), (840, 977862), (948, 866460), (1008, 814885), (1106, 742680), (1185, 693168), (1260, 651908), (1264, 649845), (1422, 577640), (1580, 519876), (1659, 495120), (1680, 488931), (1896, 433230), (2063, 398160), (2212, 371340), (2370, 346584), (2520, 325954), (2765, 297072), (2844, 288820), (3160, 259938), (3318, 247560), (3555, 231056), (3792, 216615), (4126, 199080), (4424, 185670), (4740, 173292), (4977, 165040), (5040, 162977), (5530, 148536), (5688, 144410), (6189, 132720), (6320, 129969), (6636, 123780), (7110, 115528), (8252, 99540), (8295, 99024), (8848, 92835), (9480, 86646), (9954, 82520), (10315, 79632), (11060, 74268), (11376, 72205), (12378, 66360), (13272, 61890), (14220, 57764), (14441, 56880), (16504, 49770), (16590, 49512), (18567, 44240), (18960, 43323), (19908, 41260), (20630, 39816), (22120, 37134), (24756, 33180), (24885, 33008), (26544, 30945), (28440, 28882)]