280056420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1791

約数の個数: 192

約数和(自身を含む): 1019504640

約数和(自身を除く): 739448220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 378, 387, 420, 430, 516, 540, 602, 630, 645, 756, 774, 860, 903, 945, 1161, 1204, 1260, 1290, 1505, 1548, 1723, 1806, 1890, 1935, 2322, 2580, 2709, 3010, 3446, 3612, 3780, 3870, 4515, 4644, 5169, 5418, 5805, 6020, 6892, 7740, 8127, 8615, 9030, 10338, 10836, 11610, 12061, 13545, 15507, 16254, 17230, 18060, 20676, 23220, 24122, 25845, 27090, 31014, 32508, 34460, 36183, 40635, 46521, 48244, 51690, 54180, 60305, 62028, 72366, 74089, 77535, 81270, 93042, 103380, 108549, 120610, 144732, 148178, 155070, 162540, 180915, 186084, 217098, 222267, 232605, 241220, 296356, 310140, 325647, 361830, 370445, 434196, 444534, 465210, 518623, 542745, 651294, 666801, 723660, 740890, 889068, 930420, 1037246, 1085490, 1111335, 1302588, 1333602, 1481780, 1555869, 1628235, 2000403, 2074492, 2170980, 2222670, 2593115, 2667204, 3111738, 3256470, 3334005, 4000806, 4445340, 4667607, 5186230, 6223476, 6512940, 6668010, 7779345, 8001612, 9335214, 10002015, 10372460, 13336020, 14002821, 15558690, 18670428, 20004030, 23338035, 28005642, 31117380, 40008060, 46676070, 56011284, 70014105, 93352140, 140028210, 280056420]

約数ペア:

[(1, 280056420), (2, 140028210), (3, 93352140), (4, 70014105), (5, 56011284), (6, 46676070), (7, 40008060), (9, 31117380), (10, 28005642), (12, 23338035), (14, 20004030), (15, 18670428), (18, 15558690), (20, 14002821), (21, 13336020), (27, 10372460), (28, 10002015), (30, 9335214), (35, 8001612), (36, 7779345), (42, 6668010), (43, 6512940), (45, 6223476), (54, 5186230), (60, 4667607), (63, 4445340), (70, 4000806), (84, 3334005), (86, 3256470), (90, 3111738), (105, 2667204), (108, 2593115), (126, 2222670), (129, 2170980), (135, 2074492), (140, 2000403), (172, 1628235), (180, 1555869), (189, 1481780), (210, 1333602), (215, 1302588), (252, 1111335), (258, 1085490), (270, 1037246), (301, 930420), (315, 889068), (378, 740890), (387, 723660), (420, 666801), (430, 651294), (516, 542745), (540, 518623), (602, 465210), (630, 444534), (645, 434196), (756, 370445), (774, 361830), (860, 325647), (903, 310140), (945, 296356), (1161, 241220), (1204, 232605), (1260, 222267), (1290, 217098), (1505, 186084), (1548, 180915), (1723, 162540), (1806, 155070), (1890, 148178), (1935, 144732), (2322, 120610), (2580, 108549), (2709, 103380), (3010, 93042), (3446, 81270), (3612, 77535), (3780, 74089), (3870, 72366), (4515, 62028), (4644, 60305), (5169, 54180), (5418, 51690), (5805, 48244), (6020, 46521), (6892, 40635), (7740, 36183), (8127, 34460), (8615, 32508), (9030, 31014), (10338, 27090), (10836, 25845), (11610, 24122), (12061, 23220), (13545, 20676), (15507, 18060), (16254, 17230)]