218960040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1571

約数の個数: 128

約数和(自身を含む): 715196160

約数和(自身を除く): 496236120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 260, 291, 312, 388, 390, 485, 520, 582, 776, 780, 970, 1164, 1261, 1447, 1455, 1560, 1940, 2328, 2522, 2894, 2910, 3783, 3880, 4341, 5044, 5788, 5820, 6305, 7235, 7566, 8682, 10088, 11576, 11640, 12610, 14470, 15132, 17364, 18811, 18915, 21705, 25220, 28940, 30264, 34728, 37622, 37830, 43410, 50440, 56433, 57880, 75244, 75660, 86820, 94055, 112866, 140359, 150488, 151320, 173640, 188110, 225732, 280718, 282165, 376220, 421077, 451464, 561436, 564330, 701795, 752440, 842154, 1122872, 1128660, 1403590, 1684308, 1824667, 2105385, 2257320, 2807180, 3368616, 3649334, 4210770, 5474001, 5614360, 7298668, 8421540, 9123335, 10948002, 14597336, 16843080, 18246670, 21896004, 27370005, 36493340, 43792008, 54740010, 72986680, 109480020, 218960040]

約数ペア:

[(1, 218960040), (2, 109480020), (3, 72986680), (4, 54740010), (5, 43792008), (6, 36493340), (8, 27370005), (10, 21896004), (12, 18246670), (13, 16843080), (15, 14597336), (20, 10948002), (24, 9123335), (26, 8421540), (30, 7298668), (39, 5614360), (40, 5474001), (52, 4210770), (60, 3649334), (65, 3368616), (78, 2807180), (97, 2257320), (104, 2105385), (120, 1824667), (130, 1684308), (156, 1403590), (194, 1128660), (195, 1122872), (260, 842154), (291, 752440), (312, 701795), (388, 564330), (390, 561436), (485, 451464), (520, 421077), (582, 376220), (776, 282165), (780, 280718), (970, 225732), (1164, 188110), (1261, 173640), (1447, 151320), (1455, 150488), (1560, 140359), (1940, 112866), (2328, 94055), (2522, 86820), (2894, 75660), (2910, 75244), (3783, 57880), (3880, 56433), (4341, 50440), (5044, 43410), (5788, 37830), (5820, 37622), (6305, 34728), (7235, 30264), (7566, 28940), (8682, 25220), (10088, 21705), (11576, 18915), (11640, 18811), (12610, 17364), (14470, 15132)]