138680360

素因数分解:

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

素因数の和:1291

約数の個数: 128

約数和(自身を含む): 396748800

約数和(自身を除く): 258068440

約数列:

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

約数ペア:

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