208020540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1292

約数の個数: 192

約数和(自身を含む): 740597760

約数和(自身を除く): 532577220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1229, 1302, 1365, 1612, 1820, 1860, 2015, 2170, 2418, 2458, 2604, 2730, 2821, 3255, 3687, 4030, 4340, 4836, 4916, 5460, 5642, 6045, 6145, 6510, 7374, 8060, 8463, 8603, 11284, 12090, 12290, 13020, 14105, 14748, 15977, 16926, 17206, 18435, 24180, 24580, 25809, 28210, 31954, 33852, 34412, 36870, 38099, 42315, 43015, 47931, 51618, 56420, 63908, 73740, 76198, 79885, 84630, 86030, 95862, 103236, 111839, 114297, 129045, 152396, 159770, 169260, 172060, 190495, 191724, 223678, 228594, 239655, 258090, 266693, 319540, 335517, 380990, 447356, 457188, 479310, 495287, 516180, 533386, 559195, 571485, 671034, 761980, 800079, 958620, 990574, 1066772, 1118390, 1142970, 1333465, 1342068, 1485861, 1600158, 1677585, 1981148, 2236780, 2285940, 2476435, 2666930, 2971722, 3200316, 3355170, 3467009, 4000395, 4952870, 5333860, 5943444, 6710340, 6934018, 7429305, 8000790, 9905740, 10401027, 13868036, 14858610, 16001580, 17335045, 20802054, 29717220, 34670090, 41604108, 52005135, 69340180, 104010270, 208020540]

約数ペア:

[(1, 208020540), (2, 104010270), (3, 69340180), (4, 52005135), (5, 41604108), (6, 34670090), (7, 29717220), (10, 20802054), (12, 17335045), (13, 16001580), (14, 14858610), (15, 13868036), (20, 10401027), (21, 9905740), (26, 8000790), (28, 7429305), (30, 6934018), (31, 6710340), (35, 5943444), (39, 5333860), (42, 4952870), (52, 4000395), (60, 3467009), (62, 3355170), (65, 3200316), (70, 2971722), (78, 2666930), (84, 2476435), (91, 2285940), (93, 2236780), (105, 1981148), (124, 1677585), (130, 1600158), (140, 1485861), (155, 1342068), (156, 1333465), (182, 1142970), (186, 1118390), (195, 1066772), (210, 990574), (217, 958620), (260, 800079), (273, 761980), (310, 671034), (364, 571485), (372, 559195), (390, 533386), (403, 516180), (420, 495287), (434, 479310), (455, 457188), (465, 447356), (546, 380990), (620, 335517), (651, 319540), (780, 266693), (806, 258090), (868, 239655), (910, 228594), (930, 223678), (1085, 191724), (1092, 190495), (1209, 172060), (1229, 169260), (1302, 159770), (1365, 152396), (1612, 129045), (1820, 114297), (1860, 111839), (2015, 103236), (2170, 95862), (2418, 86030), (2458, 84630), (2604, 79885), (2730, 76198), (2821, 73740), (3255, 63908), (3687, 56420), (4030, 51618), (4340, 47931), (4836, 43015), (4916, 42315), (5460, 38099), (5642, 36870), (6045, 34412), (6145, 33852), (6510, 31954), (7374, 28210), (8060, 25809), (8463, 24580), (8603, 24180), (11284, 18435), (12090, 17206), (12290, 16926), (13020, 15977), (14105, 14748)]