277360720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 160

約数和(自身を含む): 819947520

約数和(自身を除く): 542586800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1229, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2458, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 4916, 5642, 6145, 6448, 7280, 8060, 8603, 8680, 9832, 11284, 12290, 14105, 15977, 16120, 17206, 17360, 19664, 22568, 24580, 28210, 31954, 32240, 34412, 38099, 43015, 45136, 49160, 56420, 63908, 68824, 76198, 79885, 86030, 98320, 111839, 112840, 127816, 137648, 152396, 159770, 172060, 190495, 223678, 225680, 255632, 266693, 304792, 319540, 344120, 380990, 447356, 495287, 533386, 559195, 609584, 639080, 688240, 761980, 894712, 990574, 1066772, 1118390, 1278160, 1333465, 1523960, 1789424, 1981148, 2133544, 2236780, 2476435, 2666930, 3047920, 3467009, 3962296, 4267088, 4473560, 4952870, 5333860, 6934018, 7924592, 8947120, 9905740, 10667720, 13868036, 17335045, 19811480, 21335440, 27736072, 34670090, 39622960, 55472144, 69340180, 138680360, 277360720]

約数ペア:

[(1, 277360720), (2, 138680360), (4, 69340180), (5, 55472144), (7, 39622960), (8, 34670090), (10, 27736072), (13, 21335440), (14, 19811480), (16, 17335045), (20, 13868036), (26, 10667720), (28, 9905740), (31, 8947120), (35, 7924592), (40, 6934018), (52, 5333860), (56, 4952870), (62, 4473560), (65, 4267088), (70, 3962296), (80, 3467009), (91, 3047920), (104, 2666930), (112, 2476435), (124, 2236780), (130, 2133544), (140, 1981148), (155, 1789424), (182, 1523960), (208, 1333465), (217, 1278160), (248, 1118390), (260, 1066772), (280, 990574), (310, 894712), (364, 761980), (403, 688240), (434, 639080), (455, 609584), (496, 559195), (520, 533386), (560, 495287), (620, 447356), (728, 380990), (806, 344120), (868, 319540), (910, 304792), (1040, 266693), (1085, 255632), (1229, 225680), (1240, 223678), (1456, 190495), (1612, 172060), (1736, 159770), (1820, 152396), (2015, 137648), (2170, 127816), (2458, 112840), (2480, 111839), (2821, 98320), (3224, 86030), (3472, 79885), (3640, 76198), (4030, 68824), (4340, 63908), (4916, 56420), (5642, 49160), (6145, 45136), (6448, 43015), (7280, 38099), (8060, 34412), (8603, 32240), (8680, 31954), (9832, 28210), (11284, 24580), (12290, 22568), (14105, 19664), (15977, 17360), (16120, 17206)]