900720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{139}}^1$

素因数の和:164

約数の個数: 100

約数和(自身を含む): 3150840

約数和(自身を除く): 2250120

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, 139, 144, 162, 180, 216, 240, 270, 278, 324, 360, 405, 417, 432, 540, 556, 648, 695, 720, 810, 834, 1080, 1112, 1251, 1296, 1390, 1620, 1668, 2085, 2160, 2224, 2502, 2780, 3240, 3336, 3753, 4170, 5004, 5560, 6255, 6480, 6672, 7506, 8340, 10008, 11120, 11259, 12510, 15012, 16680, 18765, 20016, 22518, 25020, 30024, 33360, 37530, 45036, 50040, 56295, 60048, 75060, 90072, 100080, 112590, 150120, 180144, 225180, 300240, 450360, 900720]

約数ペア:

[(1, 900720), (2, 450360), (3, 300240), (4, 225180), (5, 180144), (6, 150120), (8, 112590), (9, 100080), (10, 90072), (12, 75060), (15, 60048), (16, 56295), (18, 50040), (20, 45036), (24, 37530), (27, 33360), (30, 30024), (36, 25020), (40, 22518), (45, 20016), (48, 18765), (54, 16680), (60, 15012), (72, 12510), (80, 11259), (81, 11120), (90, 10008), (108, 8340), (120, 7506), (135, 6672), (139, 6480), (144, 6255), (162, 5560), (180, 5004), (216, 4170), (240, 3753), (270, 3336), (278, 3240), (324, 2780), (360, 2502), (405, 2224), (417, 2160), (432, 2085), (540, 1668), (556, 1620), (648, 1390), (695, 1296), (720, 1251), (810, 1112), (834, 1080)]