778827960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{240379}}^1$

素因数の和:240402

約数の個数: 80

約数和(自身を含む): 2617738200

約数和(自身を除く): 1838910240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 240379, 480758, 721137, 961516, 1201895, 1442274, 1923032, 2163411, 2403790, 2884548, 3605685, 4326822, 4807580, 5769096, 6490233, 7211370, 8653644, 9615160, 10817055, 12980466, 14422740, 17307288, 19470699, 21634110, 25960932, 28845480, 32451165, 38941398, 43268220, 51921864, 64902330, 77882796, 86536440, 97353495, 129804660, 155765592, 194706990, 259609320, 389413980, 778827960]

約数ペア:

[(1, 778827960), (2, 389413980), (3, 259609320), (4, 194706990), (5, 155765592), (6, 129804660), (8, 97353495), (9, 86536440), (10, 77882796), (12, 64902330), (15, 51921864), (18, 43268220), (20, 38941398), (24, 32451165), (27, 28845480), (30, 25960932), (36, 21634110), (40, 19470699), (45, 17307288), (54, 14422740), (60, 12980466), (72, 10817055), (81, 9615160), (90, 8653644), (108, 7211370), (120, 6490233), (135, 5769096), (162, 4807580), (180, 4326822), (216, 3605685), (270, 2884548), (324, 2403790), (360, 2163411), (405, 1923032), (540, 1442274), (648, 1201895), (810, 961516), (1080, 721137), (1620, 480758), (3240, 240379)]