20129404320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13978753}}^1$

素因数の和:13978774

約数の個数: 72

約数和(自身を含む): 68691597156

約数和(自身を除く): 48562192836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13978753, 27957506, 41936259, 55915012, 69893765, 83872518, 111830024, 125808777, 139787530, 167745036, 209681295, 223660048, 251617554, 279575060, 335490072, 419362590, 447320096, 503235108, 559150120, 629043885, 670980144, 838725180, 1006470216, 1118300240, 1258087770, 1341960288, 1677450360, 2012940432, 2236600480, 2516175540, 3354900720, 4025880864, 5032351080, 6709801440, 10064702160, 20129404320]

約数ペア:

[(1, 20129404320), (2, 10064702160), (3, 6709801440), (4, 5032351080), (5, 4025880864), (6, 3354900720), (8, 2516175540), (9, 2236600480), (10, 2012940432), (12, 1677450360), (15, 1341960288), (16, 1258087770), (18, 1118300240), (20, 1006470216), (24, 838725180), (30, 670980144), (32, 629043885), (36, 559150120), (40, 503235108), (45, 447320096), (48, 419362590), (60, 335490072), (72, 279575060), (80, 251617554), (90, 223660048), (96, 209681295), (120, 167745036), (144, 139787530), (160, 125808777), (180, 111830024), (240, 83872518), (288, 69893765), (360, 55915012), (480, 41936259), (720, 27957506), (1440, 13978753)]