1566997640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1039

約数の個数: 128

約数和(自身を含む): 4021920000

約数和(自身を除く): 2454922360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 199, 247, 260, 380, 398, 494, 520, 760, 796, 797, 988, 995, 1235, 1592, 1594, 1976, 1990, 2470, 2587, 3188, 3781, 3980, 3985, 4940, 5174, 6376, 7562, 7960, 7970, 9880, 10348, 10361, 12935, 15124, 15143, 15940, 18905, 20696, 20722, 25870, 30248, 30286, 31880, 37810, 41444, 49153, 51740, 51805, 60572, 75620, 75715, 82888, 98306, 103480, 103610, 121144, 151240, 151430, 158603, 196612, 196859, 207220, 245765, 302860, 317206, 393224, 393718, 414440, 491530, 605720, 634412, 787436, 793015, 983060, 984295, 1268824, 1574872, 1586030, 1966120, 1968590, 2061839, 3013457, 3172060, 3937180, 4123678, 6026914, 6344120, 7874360, 8247356, 10309195, 12053828, 15067285, 16494712, 20618390, 24107656, 30134570, 39174941, 41236780, 60269140, 78349882, 82473560, 120538280, 156699764, 195874705, 313399528, 391749410, 783498820, 1566997640]

約数ペア:

[(1, 1566997640), (2, 783498820), (4, 391749410), (5, 313399528), (8, 195874705), (10, 156699764), (13, 120538280), (19, 82473560), (20, 78349882), (26, 60269140), (38, 41236780), (40, 39174941), (52, 30134570), (65, 24107656), (76, 20618390), (95, 16494712), (104, 15067285), (130, 12053828), (152, 10309195), (190, 8247356), (199, 7874360), (247, 6344120), (260, 6026914), (380, 4123678), (398, 3937180), (494, 3172060), (520, 3013457), (760, 2061839), (796, 1968590), (797, 1966120), (988, 1586030), (995, 1574872), (1235, 1268824), (1592, 984295), (1594, 983060), (1976, 793015), (1990, 787436), (2470, 634412), (2587, 605720), (3188, 491530), (3781, 414440), (3980, 393718), (3985, 393224), (4940, 317206), (5174, 302860), (6376, 245765), (7562, 207220), (7960, 196859), (7970, 196612), (9880, 158603), (10348, 151430), (10361, 151240), (12935, 121144), (15124, 103610), (15143, 103480), (15940, 98306), (18905, 82888), (20696, 75715), (20722, 75620), (25870, 60572), (30248, 51805), (30286, 51740), (31880, 49153), (37810, 41444)]