648680400

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{20021}}^1$

素因数の和:20051

約数の個数: 150

約数和(自身を含む): 2328178182

約数和(自身を除く): 1679497782

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 648, 675, 720, 810, 900, 1080, 1200, 1296, 1350, 1620, 1800, 2025, 2160, 2700, 3240, 3600, 4050, 5400, 6480, 8100, 10800, 16200, 20021, 32400, 40042, 60063, 80084, 100105, 120126, 160168, 180189, 200210, 240252, 300315, 320336, 360378, 400420, 480504, 500525, 540567, 600630, 720756, 800840, 900945, 961008, 1001050, 1081134, 1201260, 1441512, 1501575, 1601680, 1621701, 1801890, 2002100, 2162268, 2402520, 2702835, 2883024, 3003150, 3243402, 3603780, 4004200, 4324536, 4504725, 4805040, 5405670, 6006300, 6486804, 7207560, 8008400, 8108505, 8649072, 9009450, 10811340, 12012600, 12973608, 13514175, 14415120, 16217010, 18018900, 21622680, 24025200, 25947216, 27028350, 32434020, 36037800, 40542525, 43245360, 54056700, 64868040, 72075600, 81085050, 108113400, 129736080, 162170100, 216226800, 324340200, 648680400]

約数ペア:

[(1, 648680400), (2, 324340200), (3, 216226800), (4, 162170100), (5, 129736080), (6, 108113400), (8, 81085050), (9, 72075600), (10, 64868040), (12, 54056700), (15, 43245360), (16, 40542525), (18, 36037800), (20, 32434020), (24, 27028350), (25, 25947216), (27, 24025200), (30, 21622680), (36, 18018900), (40, 16217010), (45, 14415120), (48, 13514175), (50, 12973608), (54, 12012600), (60, 10811340), (72, 9009450), (75, 8649072), (80, 8108505), (81, 8008400), (90, 7207560), (100, 6486804), (108, 6006300), (120, 5405670), (135, 4805040), (144, 4504725), (150, 4324536), (162, 4004200), (180, 3603780), (200, 3243402), (216, 3003150), (225, 2883024), (240, 2702835), (270, 2402520), (300, 2162268), (324, 2002100), (360, 1801890), (400, 1621701), (405, 1601680), (432, 1501575), (450, 1441512), (540, 1201260), (600, 1081134), (648, 1001050), (675, 961008), (720, 900945), (810, 800840), (900, 720756), (1080, 600630), (1200, 540567), (1296, 500525), (1350, 480504), (1620, 400420), (1800, 360378), (2025, 320336), (2160, 300315), (2700, 240252), (3240, 200210), (3600, 180189), (4050, 160168), (5400, 120126), (6480, 100105), (8100, 80084), (10800, 60063), (16200, 40042), (20021, 32400)]