253657320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 893851200

約数和(自身を除く): 640193880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 179, 196, 210, 241, 245, 280, 294, 358, 392, 420, 482, 490, 537, 588, 716, 723, 735, 840, 895, 964, 980, 1074, 1176, 1205, 1253, 1432, 1446, 1470, 1687, 1790, 1928, 1960, 2148, 2410, 2506, 2685, 2892, 2940, 3374, 3580, 3615, 3759, 4296, 4820, 5012, 5061, 5370, 5784, 5880, 6265, 6748, 7160, 7230, 7518, 8435, 8771, 9640, 10024, 10122, 10740, 11809, 12530, 13496, 14460, 15036, 16870, 17542, 18795, 20244, 21480, 23618, 25060, 25305, 26313, 28920, 30072, 33740, 35084, 35427, 37590, 40488, 43139, 43855, 47236, 50120, 50610, 52626, 59045, 67480, 70168, 70854, 75180, 86278, 87710, 94472, 101220, 105252, 118090, 129417, 131565, 141708, 150360, 172556, 175420, 177135, 202440, 210504, 215695, 236180, 258834, 263130, 283416, 301973, 345112, 350840, 354270, 431390, 472360, 517668, 526260, 603946, 647085, 708540, 862780, 905919, 1035336, 1052520, 1207892, 1294170, 1417080, 1509865, 1725560, 1811838, 2113811, 2415784, 2588340, 3019730, 3623676, 4227622, 4529595, 5176680, 6039460, 6341433, 7247352, 8455244, 9059190, 10569055, 12078920, 12682866, 16910488, 18118380, 21138110, 25365732, 31707165, 36236760, 42276220, 50731464, 63414330, 84552440, 126828660, 253657320]

約数ペア:

[(1, 253657320), (2, 126828660), (3, 84552440), (4, 63414330), (5, 50731464), (6, 42276220), (7, 36236760), (8, 31707165), (10, 25365732), (12, 21138110), (14, 18118380), (15, 16910488), (20, 12682866), (21, 12078920), (24, 10569055), (28, 9059190), (30, 8455244), (35, 7247352), (40, 6341433), (42, 6039460), (49, 5176680), (56, 4529595), (60, 4227622), (70, 3623676), (84, 3019730), (98, 2588340), (105, 2415784), (120, 2113811), (140, 1811838), (147, 1725560), (168, 1509865), (179, 1417080), (196, 1294170), (210, 1207892), (241, 1052520), (245, 1035336), (280, 905919), (294, 862780), (358, 708540), (392, 647085), (420, 603946), (482, 526260), (490, 517668), (537, 472360), (588, 431390), (716, 354270), (723, 350840), (735, 345112), (840, 301973), (895, 283416), (964, 263130), (980, 258834), (1074, 236180), (1176, 215695), (1205, 210504), (1253, 202440), (1432, 177135), (1446, 175420), (1470, 172556), (1687, 150360), (1790, 141708), (1928, 131565), (1960, 129417), (2148, 118090), (2410, 105252), (2506, 101220), (2685, 94472), (2892, 87710), (2940, 86278), (3374, 75180), (3580, 70854), (3615, 70168), (3759, 67480), (4296, 59045), (4820, 52626), (5012, 50610), (5061, 50120), (5370, 47236), (5784, 43855), (5880, 43139), (6265, 40488), (6748, 37590), (7160, 35427), (7230, 35084), (7518, 33740), (8435, 30072), (8771, 28920), (9640, 26313), (10024, 25305), (10122, 25060), (10740, 23618), (11809, 21480), (12530, 20244), (13496, 18795), (14460, 17542), (15036, 16870)]