220939320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263023}}^1$

素因数の和:263044

約数の個数: 64

約数和(自身を含む): 757509120

約数和(自身を除く): 536569800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 263023, 526046, 789069, 1052092, 1315115, 1578138, 1841161, 2104184, 2630230, 3156276, 3682322, 3945345, 5260460, 5523483, 6312552, 7364644, 7890690, 9205805, 10520920, 11046966, 14729288, 15781380, 18411610, 22093932, 27617415, 31562760, 36823220, 44187864, 55234830, 73646440, 110469660, 220939320]

約数ペア:

[(1, 220939320), (2, 110469660), (3, 73646440), (4, 55234830), (5, 44187864), (6, 36823220), (7, 31562760), (8, 27617415), (10, 22093932), (12, 18411610), (14, 15781380), (15, 14729288), (20, 11046966), (21, 10520920), (24, 9205805), (28, 7890690), (30, 7364644), (35, 6312552), (40, 5523483), (42, 5260460), (56, 3945345), (60, 3682322), (70, 3156276), (84, 2630230), (105, 2104184), (120, 1841161), (140, 1578138), (168, 1315115), (210, 1052092), (280, 789069), (420, 526046), (840, 263023)]