1557655920

素因数分解:

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

素因数の和:240404

約数の個数: 100

約数和(自身を含む): 5409992280

約数和(自身を除く): 3852336360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 240379, 480758, 721137, 961516, 1201895, 1442274, 1923032, 2163411, 2403790, 2884548, 3605685, 3846064, 4326822, 4807580, 5769096, 6490233, 7211370, 8653644, 9615160, 10817055, 11538192, 12980466, 14422740, 17307288, 19230320, 19470699, 21634110, 25960932, 28845480, 32451165, 34614576, 38941398, 43268220, 51921864, 57690960, 64902330, 77882796, 86536440, 97353495, 103843728, 129804660, 155765592, 173072880, 194706990, 259609320, 311531184, 389413980, 519218640, 778827960, 1557655920]

約数ペア:

[(1, 1557655920), (2, 778827960), (3, 519218640), (4, 389413980), (5, 311531184), (6, 259609320), (8, 194706990), (9, 173072880), (10, 155765592), (12, 129804660), (15, 103843728), (16, 97353495), (18, 86536440), (20, 77882796), (24, 64902330), (27, 57690960), (30, 51921864), (36, 43268220), (40, 38941398), (45, 34614576), (48, 32451165), (54, 28845480), (60, 25960932), (72, 21634110), (80, 19470699), (81, 19230320), (90, 17307288), (108, 14422740), (120, 12980466), (135, 11538192), (144, 10817055), (162, 9615160), (180, 8653644), (216, 7211370), (240, 6490233), (270, 5769096), (324, 4807580), (360, 4326822), (405, 3846064), (432, 3605685), (540, 2884548), (648, 2403790), (720, 2163411), (810, 1923032), (1080, 1442274), (1296, 1201895), (1620, 961516), (2160, 721137), (3240, 480758), (6480, 240379)]