1389276720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8731}}^1$

素因数の和:8780

約数の個数: 240

約数和(自身を含む): 5320721952

約数和(自身を除く): 3931445232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3315, 3536, 3978, 4080, 4420, 4680, 5304, 6120, 6630, 7956, 8731, 8840, 9360, 9945, 10608, 12240, 13260, 15912, 17462, 17680, 19890, 26193, 26520, 31824, 34924, 39780, 43655, 52386, 53040, 69848, 78579, 79560, 87310, 104772, 113503, 130965, 139696, 148427, 157158, 159120, 174620, 209544, 227006, 261930, 296854, 314316, 340509, 349240, 392895, 419088, 445281, 454012, 523860, 567515, 593708, 628632, 681018, 698480, 742135, 785790, 890562, 908024, 1021527, 1047720, 1135030, 1187416, 1257264, 1335843, 1362036, 1484270, 1571580, 1702545, 1781124, 1816048, 1929551, 2043054, 2095440, 2226405, 2270060, 2374832, 2671686, 2724072, 2968540, 3143160, 3405090, 3562248, 3859102, 4086108, 4452810, 4540120, 5107635, 5343372, 5448144, 5788653, 5937080, 6286320, 6679215, 6810180, 7124496, 7718204, 8172216, 8905620, 9080240, 9647755, 10215270, 10686744, 11577306, 11874160, 13358430, 13620360, 15436408, 16344432, 17365959, 17811240, 19295510, 20430540, 21373488, 23154612, 26716860, 27240720, 28943265, 30872816, 34731918, 35622480, 38591020, 40861080, 46309224, 53433720, 57886530, 69463836, 77182040, 81722160, 86829795, 92618448, 106867440, 115773060, 138927672, 154364080, 173659590, 231546120, 277855344, 347319180, 463092240, 694638360, 1389276720]

約数ペア:

[(1, 1389276720), (2, 694638360), (3, 463092240), (4, 347319180), (5, 277855344), (6, 231546120), (8, 173659590), (9, 154364080), (10, 138927672), (12, 115773060), (13, 106867440), (15, 92618448), (16, 86829795), (17, 81722160), (18, 77182040), (20, 69463836), (24, 57886530), (26, 53433720), (30, 46309224), (34, 40861080), (36, 38591020), (39, 35622480), (40, 34731918), (45, 30872816), (48, 28943265), (51, 27240720), (52, 26716860), (60, 23154612), (65, 21373488), (68, 20430540), (72, 19295510), (78, 17811240), (80, 17365959), (85, 16344432), (90, 15436408), (102, 13620360), (104, 13358430), (117, 11874160), (120, 11577306), (130, 10686744), (136, 10215270), (144, 9647755), (153, 9080240), (156, 8905620), (170, 8172216), (180, 7718204), (195, 7124496), (204, 6810180), (208, 6679215), (221, 6286320), (234, 5937080), (240, 5788653), (255, 5448144), (260, 5343372), (272, 5107635), (306, 4540120), (312, 4452810), (340, 4086108), (360, 3859102), (390, 3562248), (408, 3405090), (442, 3143160), (468, 2968540), (510, 2724072), (520, 2671686), (585, 2374832), (612, 2270060), (624, 2226405), (663, 2095440), (680, 2043054), (720, 1929551), (765, 1816048), (780, 1781124), (816, 1702545), (884, 1571580), (936, 1484270), (1020, 1362036), (1040, 1335843), (1105, 1257264), (1170, 1187416), (1224, 1135030), (1326, 1047720), (1360, 1021527), (1530, 908024), (1560, 890562), (1768, 785790), (1872, 742135), (1989, 698480), (2040, 681018), (2210, 628632), (2340, 593708), (2448, 567515), (2652, 523860), (3060, 454012), (3120, 445281), (3315, 419088), (3536, 392895), (3978, 349240), (4080, 340509), (4420, 314316), (4680, 296854), (5304, 261930), (6120, 227006), (6630, 209544), (7956, 174620), (8731, 159120), (8840, 157158), (9360, 148427), (9945, 139696), (10608, 130965), (12240, 113503), (13260, 104772), (15912, 87310), (17462, 79560), (17680, 78579), (19890, 69848), (26193, 53040), (26520, 52386), (31824, 43655), (34924, 39780)]