72080680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:851

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 134760920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 797, 952, 1064, 1190, 1292, 1330, 1594, 1615, 2261, 2380, 2584, 2660, 3188, 3230, 3985, 4522, 4760, 5320, 5579, 6376, 6460, 7970, 9044, 11158, 11305, 12920, 13549, 15143, 15940, 18088, 22316, 22610, 27098, 27895, 30286, 31880, 44632, 45220, 54196, 55790, 60572, 67745, 75715, 90440, 94843, 106001, 108392, 111580, 121144, 135490, 151430, 189686, 212002, 223160, 257431, 270980, 302860, 379372, 424004, 474215, 514862, 530005, 541960, 605720, 758744, 848008, 948430, 1029724, 1060010, 1287155, 1802017, 1896860, 2059448, 2120020, 2574310, 3604034, 3793720, 4240040, 5148620, 7208068, 9010085, 10297240, 14416136, 18020170, 36040340, 72080680]

約数ペア:

[(1, 72080680), (2, 36040340), (4, 18020170), (5, 14416136), (7, 10297240), (8, 9010085), (10, 7208068), (14, 5148620), (17, 4240040), (19, 3793720), (20, 3604034), (28, 2574310), (34, 2120020), (35, 2059448), (38, 1896860), (40, 1802017), (56, 1287155), (68, 1060010), (70, 1029724), (76, 948430), (85, 848008), (95, 758744), (119, 605720), (133, 541960), (136, 530005), (140, 514862), (152, 474215), (170, 424004), (190, 379372), (238, 302860), (266, 270980), (280, 257431), (323, 223160), (340, 212002), (380, 189686), (476, 151430), (532, 135490), (595, 121144), (646, 111580), (665, 108392), (680, 106001), (760, 94843), (797, 90440), (952, 75715), (1064, 67745), (1190, 60572), (1292, 55790), (1330, 54196), (1594, 45220), (1615, 44632), (2261, 31880), (2380, 30286), (2584, 27895), (2660, 27098), (3188, 22610), (3230, 22316), (3985, 18088), (4522, 15940), (4760, 15143), (5320, 13549), (5579, 12920), (6376, 11305), (6460, 11158), (7970, 9044)]