745888920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 256

約数和(自身を含む): 2663331840

約数和(自身を除く): 1917442920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 103, 105, 111, 120, 140, 148, 168, 185, 206, 210, 222, 233, 259, 280, 296, 309, 370, 412, 420, 444, 466, 515, 518, 555, 618, 699, 721, 740, 777, 824, 840, 888, 932, 1030, 1036, 1110, 1165, 1236, 1295, 1398, 1442, 1480, 1545, 1554, 1631, 1864, 2060, 2072, 2163, 2220, 2330, 2472, 2590, 2796, 2884, 3090, 3108, 3262, 3495, 3605, 3811, 3885, 4120, 4326, 4440, 4660, 4893, 5180, 5592, 5768, 6180, 6216, 6524, 6990, 7210, 7622, 7770, 8155, 8621, 8652, 9320, 9786, 10360, 10815, 11433, 12360, 13048, 13980, 14420, 15244, 15540, 16310, 17242, 17304, 19055, 19572, 21630, 22866, 23999, 24465, 25863, 26677, 27960, 28840, 30488, 31080, 32620, 34484, 38110, 39144, 43105, 43260, 45732, 47998, 48930, 51726, 53354, 57165, 60347, 65240, 68968, 71997, 76220, 80031, 86210, 86520, 91464, 95996, 97860, 103452, 106708, 114330, 119995, 120694, 129315, 133385, 143994, 152440, 160062, 167993, 172420, 181041, 191992, 195720, 206904, 213416, 228660, 239990, 241388, 258630, 266770, 287988, 301735, 320124, 335986, 344840, 359985, 362082, 400155, 457320, 479980, 482776, 503979, 517260, 533540, 575976, 603470, 640248, 671972, 719970, 724164, 800310, 839965, 887963, 905205, 959960, 1007958, 1034520, 1067080, 1206940, 1343944, 1439940, 1448328, 1600620, 1679930, 1775926, 1810410, 2015916, 2413880, 2519895, 2663889, 2879880, 3201240, 3359860, 3551852, 3620820, 4031832, 4439815, 5039790, 5327778, 6215741, 6719720, 7103704, 7241640, 8879630, 10079580, 10655556, 12431482, 13319445, 17759260, 18647223, 20159160, 21311112, 24862964, 26638890, 31078705, 35518520, 37294446, 49725928, 53277780, 62157410, 74588892, 93236115, 106555560, 124314820, 149177784, 186472230, 248629640, 372944460, 745888920]

約数ペア:

[(1, 745888920), (2, 372944460), (3, 248629640), (4, 186472230), (5, 149177784), (6, 124314820), (7, 106555560), (8, 93236115), (10, 74588892), (12, 62157410), (14, 53277780), (15, 49725928), (20, 37294446), (21, 35518520), (24, 31078705), (28, 26638890), (30, 24862964), (35, 21311112), (37, 20159160), (40, 18647223), (42, 17759260), (56, 13319445), (60, 12431482), (70, 10655556), (74, 10079580), (84, 8879630), (103, 7241640), (105, 7103704), (111, 6719720), (120, 6215741), (140, 5327778), (148, 5039790), (168, 4439815), (185, 4031832), (206, 3620820), (210, 3551852), (222, 3359860), (233, 3201240), (259, 2879880), (280, 2663889), (296, 2519895), (309, 2413880), (370, 2015916), (412, 1810410), (420, 1775926), (444, 1679930), (466, 1600620), (515, 1448328), (518, 1439940), (555, 1343944), (618, 1206940), (699, 1067080), (721, 1034520), (740, 1007958), (777, 959960), (824, 905205), (840, 887963), (888, 839965), (932, 800310), (1030, 724164), (1036, 719970), (1110, 671972), (1165, 640248), (1236, 603470), (1295, 575976), (1398, 533540), (1442, 517260), (1480, 503979), (1545, 482776), (1554, 479980), (1631, 457320), (1864, 400155), (2060, 362082), (2072, 359985), (2163, 344840), (2220, 335986), (2330, 320124), (2472, 301735), (2590, 287988), (2796, 266770), (2884, 258630), (3090, 241388), (3108, 239990), (3262, 228660), (3495, 213416), (3605, 206904), (3811, 195720), (3885, 191992), (4120, 181041), (4326, 172420), (4440, 167993), (4660, 160062), (4893, 152440), (5180, 143994), (5592, 133385), (5768, 129315), (6180, 120694), (6216, 119995), (6524, 114330), (6990, 106708), (7210, 103452), (7622, 97860), (7770, 95996), (8155, 91464), (8621, 86520), (8652, 86210), (9320, 80031), (9786, 76220), (10360, 71997), (10815, 68968), (11433, 65240), (12360, 60347), (13048, 57165), (13980, 53354), (14420, 51726), (15244, 48930), (15540, 47998), (16310, 45732), (17242, 43260), (17304, 43105), (19055, 39144), (19572, 38110), (21630, 34484), (22866, 32620), (23999, 31080), (24465, 30488), (25863, 28840), (26677, 27960)]