218213040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2399}}^1$

素因数の和:2794

約数の個数: 80

約数和(自身を含む): 678528000

約数和(自身を除く): 460314960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 379, 758, 1137, 1516, 1895, 2274, 2399, 3032, 3790, 4548, 4798, 5685, 6064, 7197, 7580, 9096, 9596, 11370, 11995, 14394, 15160, 18192, 19192, 22740, 23990, 28788, 30320, 35985, 38384, 45480, 47980, 57576, 71970, 90960, 95960, 115152, 143940, 191920, 287880, 575760, 909221, 1818442, 2727663, 3636884, 4546105, 5455326, 7273768, 9092210, 10910652, 13638315, 14547536, 18184420, 21821304, 27276630, 36368840, 43642608, 54553260, 72737680, 109106520, 218213040]

約数ペア:

[(1, 218213040), (2, 109106520), (3, 72737680), (4, 54553260), (5, 43642608), (6, 36368840), (8, 27276630), (10, 21821304), (12, 18184420), (15, 14547536), (16, 13638315), (20, 10910652), (24, 9092210), (30, 7273768), (40, 5455326), (48, 4546105), (60, 3636884), (80, 2727663), (120, 1818442), (240, 909221), (379, 575760), (758, 287880), (1137, 191920), (1516, 143940), (1895, 115152), (2274, 95960), (2399, 90960), (3032, 71970), (3790, 57576), (4548, 47980), (4798, 45480), (5685, 38384), (6064, 35985), (7197, 30320), (7580, 28788), (9096, 23990), (9596, 22740), (11370, 19192), (11995, 18192), (14394, 15160)]