255771720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1447}}^1$

素因数の和:1955

約数の個数: 96

約数和(自身を含む): 833526720

約数和(自身を除く): 577755000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 491, 982, 1447, 1473, 1964, 2455, 2894, 2946, 3928, 4341, 4419, 4910, 5788, 5892, 7235, 7365, 8682, 8838, 9820, 11576, 11784, 13023, 14470, 14730, 17364, 17676, 19640, 21705, 22095, 26046, 28940, 29460, 34728, 35352, 43410, 44190, 52092, 57880, 58920, 65115, 86820, 88380, 104184, 130230, 173640, 176760, 260460, 520920, 710477, 1420954, 2131431, 2841908, 3552385, 4262862, 5683816, 6394293, 7104770, 8525724, 10657155, 12788586, 14209540, 17051448, 21314310, 25577172, 28419080, 31971465, 42628620, 51154344, 63942930, 85257240, 127885860, 255771720]

約数ペア:

[(1, 255771720), (2, 127885860), (3, 85257240), (4, 63942930), (5, 51154344), (6, 42628620), (8, 31971465), (9, 28419080), (10, 25577172), (12, 21314310), (15, 17051448), (18, 14209540), (20, 12788586), (24, 10657155), (30, 8525724), (36, 7104770), (40, 6394293), (45, 5683816), (60, 4262862), (72, 3552385), (90, 2841908), (120, 2131431), (180, 1420954), (360, 710477), (491, 520920), (982, 260460), (1447, 176760), (1473, 173640), (1964, 130230), (2455, 104184), (2894, 88380), (2946, 86820), (3928, 65115), (4341, 58920), (4419, 57880), (4910, 52092), (5788, 44190), (5892, 43410), (7235, 35352), (7365, 34728), (8682, 29460), (8838, 28940), (9820, 26046), (11576, 22095), (11784, 21705), (13023, 19640), (14470, 17676), (14730, 17364)]