490165920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{340393}}^1$

素因数の和:340414

約数の個数: 72

約数和(自身を含む): 1672696116

約数和(自身を除く): 1182530196

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, 340393, 680786, 1021179, 1361572, 1701965, 2042358, 2723144, 3063537, 3403930, 4084716, 5105895, 5446288, 6127074, 6807860, 8169432, 10211790, 10892576, 12254148, 13615720, 15317685, 16338864, 20423580, 24508296, 27231440, 30635370, 32677728, 40847160, 49016592, 54462880, 61270740, 81694320, 98033184, 122541480, 163388640, 245082960, 490165920]

約数ペア:

[(1, 490165920), (2, 245082960), (3, 163388640), (4, 122541480), (5, 98033184), (6, 81694320), (8, 61270740), (9, 54462880), (10, 49016592), (12, 40847160), (15, 32677728), (16, 30635370), (18, 27231440), (20, 24508296), (24, 20423580), (30, 16338864), (32, 15317685), (36, 13615720), (40, 12254148), (45, 10892576), (48, 10211790), (60, 8169432), (72, 6807860), (80, 6127074), (90, 5446288), (96, 5105895), (120, 4084716), (144, 3403930), (160, 3063537), (180, 2723144), (240, 2042358), (288, 1701965), (360, 1361572), (480, 1021179), (720, 680786), (1440, 340393)]