78710940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:670

約数の個数: 240

約数和(自身を含む): 308335104

約数和(自身を除く): 229624164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 324, 330, 378, 385, 396, 405, 420, 462, 495, 540, 567, 594, 630, 631, 660, 693, 756, 770, 810, 891, 924, 945, 990, 1134, 1155, 1188, 1260, 1262, 1386, 1485, 1540, 1620, 1782, 1890, 1893, 1980, 2079, 2268, 2310, 2524, 2772, 2835, 2970, 3155, 3465, 3564, 3780, 3786, 4158, 4417, 4455, 4620, 5670, 5679, 5940, 6237, 6310, 6930, 6941, 7572, 8316, 8834, 8910, 9465, 10395, 11340, 11358, 12474, 12620, 13251, 13860, 13882, 17037, 17668, 17820, 18930, 20790, 20823, 22085, 22716, 24948, 26502, 27764, 28395, 31185, 34074, 34705, 37860, 39753, 41580, 41646, 44170, 48587, 51111, 53004, 56790, 62370, 62469, 66255, 68148, 69410, 79506, 83292, 85185, 88340, 97174, 102222, 104115, 113580, 119259, 124740, 124938, 132510, 138820, 145761, 159012, 170370, 187407, 194348, 198765, 204444, 208230, 238518, 242935, 249876, 255555, 265020, 291522, 312345, 340740, 357777, 374814, 397530, 416460, 437283, 477036, 485870, 511110, 562221, 583044, 596295, 624690, 715554, 728805, 749628, 795060, 874566, 937035, 971740, 1022220, 1124442, 1192590, 1249380, 1311849, 1431108, 1457610, 1749132, 1788885, 1874070, 2186415, 2248884, 2385180, 2623698, 2811105, 2915220, 3577770, 3748140, 3935547, 4372830, 5247396, 5622210, 6559245, 7155540, 7871094, 8745660, 11244420, 13118490, 15742188, 19677735, 26236980, 39355470, 78710940]

約数ペア:

[(1, 78710940), (2, 39355470), (3, 26236980), (4, 19677735), (5, 15742188), (6, 13118490), (7, 11244420), (9, 8745660), (10, 7871094), (11, 7155540), (12, 6559245), (14, 5622210), (15, 5247396), (18, 4372830), (20, 3935547), (21, 3748140), (22, 3577770), (27, 2915220), (28, 2811105), (30, 2623698), (33, 2385180), (35, 2248884), (36, 2186415), (42, 1874070), (44, 1788885), (45, 1749132), (54, 1457610), (55, 1431108), (60, 1311849), (63, 1249380), (66, 1192590), (70, 1124442), (77, 1022220), (81, 971740), (84, 937035), (90, 874566), (99, 795060), (105, 749628), (108, 728805), (110, 715554), (126, 624690), (132, 596295), (135, 583044), (140, 562221), (154, 511110), (162, 485870), (165, 477036), (180, 437283), (189, 416460), (198, 397530), (210, 374814), (220, 357777), (231, 340740), (252, 312345), (270, 291522), (297, 265020), (308, 255555), (315, 249876), (324, 242935), (330, 238518), (378, 208230), (385, 204444), (396, 198765), (405, 194348), (420, 187407), (462, 170370), (495, 159012), (540, 145761), (567, 138820), (594, 132510), (630, 124938), (631, 124740), (660, 119259), (693, 113580), (756, 104115), (770, 102222), (810, 97174), (891, 88340), (924, 85185), (945, 83292), (990, 79506), (1134, 69410), (1155, 68148), (1188, 66255), (1260, 62469), (1262, 62370), (1386, 56790), (1485, 53004), (1540, 51111), (1620, 48587), (1782, 44170), (1890, 41646), (1893, 41580), (1980, 39753), (2079, 37860), (2268, 34705), (2310, 34074), (2524, 31185), (2772, 28395), (2835, 27764), (2970, 26502), (3155, 24948), (3465, 22716), (3564, 22085), (3780, 20823), (3786, 20790), (4158, 18930), (4417, 17820), (4455, 17668), (4620, 17037), (5670, 13882), (5679, 13860), (5940, 13251), (6237, 12620), (6310, 12474), (6930, 11358), (6941, 11340), (7572, 10395), (8316, 9465), (8834, 8910)]