78547140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 288

約数和(自身を含む): 305061120

約数和(自身を除く): 226513980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 42, 45, 51, 57, 60, 63, 68, 70, 76, 84, 85, 90, 95, 102, 105, 114, 119, 126, 133, 140, 153, 170, 171, 180, 190, 193, 204, 210, 228, 238, 252, 255, 266, 285, 306, 315, 323, 340, 342, 357, 380, 386, 399, 420, 476, 510, 532, 570, 579, 595, 612, 630, 646, 665, 684, 714, 765, 772, 798, 855, 965, 969, 1020, 1071, 1140, 1158, 1190, 1197, 1260, 1292, 1330, 1351, 1428, 1530, 1596, 1615, 1710, 1737, 1785, 1930, 1938, 1995, 2142, 2261, 2316, 2380, 2394, 2660, 2702, 2895, 2907, 3060, 3230, 3281, 3420, 3474, 3570, 3667, 3860, 3876, 3990, 4053, 4284, 4522, 4788, 4845, 5355, 5404, 5790, 5814, 5985, 6460, 6562, 6755, 6783, 6948, 7140, 7334, 7980, 8106, 8685, 9044, 9690, 9843, 10710, 11001, 11305, 11580, 11628, 11970, 12159, 13124, 13510, 13566, 14535, 14668, 16212, 16405, 17370, 18335, 19380, 19686, 20265, 20349, 21420, 22002, 22610, 22967, 23940, 24318, 25669, 27020, 27132, 29070, 29529, 32810, 33003, 33915, 34740, 36670, 39372, 40530, 40698, 44004, 45220, 45934, 48636, 49215, 51338, 55005, 58140, 59058, 60795, 62339, 65620, 66006, 67830, 68901, 73340, 77007, 81060, 81396, 91868, 98430, 101745, 102676, 110010, 114835, 118116, 121590, 124678, 128345, 132012, 135660, 137802, 147645, 154014, 165015, 187017, 196860, 203490, 206703, 220020, 229670, 231021, 243180, 249356, 256690, 275604, 295290, 308028, 311695, 330030, 344505, 374034, 385035, 406980, 413406, 436373, 459340, 462042, 513380, 561051, 590580, 623390, 660060, 689010, 748068, 770070, 826812, 872746, 924084, 935085, 1033515, 1122102, 1155105, 1246780, 1309119, 1378020, 1540140, 1745492, 1870170, 2067030, 2181865, 2244204, 2310210, 2618238, 2805255, 3740340, 3927357, 4134060, 4363730, 4620420, 5236476, 5610510, 6545595, 7854714, 8727460, 11221020, 13091190, 15709428, 19636785, 26182380, 39273570, 78547140]

約数ペア:

[(1, 78547140), (2, 39273570), (3, 26182380), (4, 19636785), (5, 15709428), (6, 13091190), (7, 11221020), (9, 8727460), (10, 7854714), (12, 6545595), (14, 5610510), (15, 5236476), (17, 4620420), (18, 4363730), (19, 4134060), (20, 3927357), (21, 3740340), (28, 2805255), (30, 2618238), (34, 2310210), (35, 2244204), (36, 2181865), (38, 2067030), (42, 1870170), (45, 1745492), (51, 1540140), (57, 1378020), (60, 1309119), (63, 1246780), (68, 1155105), (70, 1122102), (76, 1033515), (84, 935085), (85, 924084), (90, 872746), (95, 826812), (102, 770070), (105, 748068), (114, 689010), (119, 660060), (126, 623390), (133, 590580), (140, 561051), (153, 513380), (170, 462042), (171, 459340), (180, 436373), (190, 413406), (193, 406980), (204, 385035), (210, 374034), (228, 344505), (238, 330030), (252, 311695), (255, 308028), (266, 295290), (285, 275604), (306, 256690), (315, 249356), (323, 243180), (340, 231021), (342, 229670), (357, 220020), (380, 206703), (386, 203490), (399, 196860), (420, 187017), (476, 165015), (510, 154014), (532, 147645), (570, 137802), (579, 135660), (595, 132012), (612, 128345), (630, 124678), (646, 121590), (665, 118116), (684, 114835), (714, 110010), (765, 102676), (772, 101745), (798, 98430), (855, 91868), (965, 81396), (969, 81060), (1020, 77007), (1071, 73340), (1140, 68901), (1158, 67830), (1190, 66006), (1197, 65620), (1260, 62339), (1292, 60795), (1330, 59058), (1351, 58140), (1428, 55005), (1530, 51338), (1596, 49215), (1615, 48636), (1710, 45934), (1737, 45220), (1785, 44004), (1930, 40698), (1938, 40530), (1995, 39372), (2142, 36670), (2261, 34740), (2316, 33915), (2380, 33003), (2394, 32810), (2660, 29529), (2702, 29070), (2895, 27132), (2907, 27020), (3060, 25669), (3230, 24318), (3281, 23940), (3420, 22967), (3474, 22610), (3570, 22002), (3667, 21420), (3860, 20349), (3876, 20265), (3990, 19686), (4053, 19380), (4284, 18335), (4522, 17370), (4788, 16405), (4845, 16212), (5355, 14668), (5404, 14535), (5790, 13566), (5814, 13510), (5985, 13124), (6460, 12159), (6562, 11970), (6755, 11628), (6783, 11580), (6948, 11305), (7140, 11001), (7334, 10710), (7980, 9843), (8106, 9690), (8685, 9044)]