28127400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 102910080

約数和(自身を除く): 74782680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 50, 56, 60, 70, 74, 75, 84, 100, 105, 111, 120, 140, 148, 150, 168, 175, 181, 185, 200, 210, 222, 259, 280, 296, 300, 350, 362, 370, 420, 444, 518, 525, 543, 555, 600, 700, 724, 740, 777, 840, 888, 905, 925, 1036, 1050, 1086, 1110, 1267, 1295, 1400, 1448, 1480, 1554, 1810, 1850, 2072, 2100, 2172, 2220, 2534, 2590, 2715, 2775, 3108, 3620, 3700, 3801, 3885, 4200, 4344, 4440, 4525, 5068, 5180, 5430, 5550, 6216, 6335, 6475, 6697, 7240, 7400, 7602, 7770, 9050, 10136, 10360, 10860, 11100, 12670, 12950, 13394, 13575, 15204, 15540, 18100, 19005, 19425, 20091, 21720, 22200, 25340, 25900, 26788, 27150, 30408, 31080, 31675, 33485, 36200, 38010, 38850, 40182, 46879, 50680, 51800, 53576, 54300, 63350, 66970, 76020, 77700, 80364, 93758, 95025, 100455, 108600, 126700, 133940, 140637, 152040, 155400, 160728, 167425, 187516, 190050, 200910, 234395, 253400, 267880, 281274, 334850, 375032, 380100, 401820, 468790, 502275, 562548, 669700, 703185, 760200, 803640, 937580, 1004550, 1125096, 1171975, 1339400, 1406370, 1875160, 2009100, 2343950, 2812740, 3515925, 4018200, 4687900, 5625480, 7031850, 9375800, 14063700, 28127400]

約数ペア:

[(1, 28127400), (2, 14063700), (3, 9375800), (4, 7031850), (5, 5625480), (6, 4687900), (7, 4018200), (8, 3515925), (10, 2812740), (12, 2343950), (14, 2009100), (15, 1875160), (20, 1406370), (21, 1339400), (24, 1171975), (25, 1125096), (28, 1004550), (30, 937580), (35, 803640), (37, 760200), (40, 703185), (42, 669700), (50, 562548), (56, 502275), (60, 468790), (70, 401820), (74, 380100), (75, 375032), (84, 334850), (100, 281274), (105, 267880), (111, 253400), (120, 234395), (140, 200910), (148, 190050), (150, 187516), (168, 167425), (175, 160728), (181, 155400), (185, 152040), (200, 140637), (210, 133940), (222, 126700), (259, 108600), (280, 100455), (296, 95025), (300, 93758), (350, 80364), (362, 77700), (370, 76020), (420, 66970), (444, 63350), (518, 54300), (525, 53576), (543, 51800), (555, 50680), (600, 46879), (700, 40182), (724, 38850), (740, 38010), (777, 36200), (840, 33485), (888, 31675), (905, 31080), (925, 30408), (1036, 27150), (1050, 26788), (1086, 25900), (1110, 25340), (1267, 22200), (1295, 21720), (1400, 20091), (1448, 19425), (1480, 19005), (1554, 18100), (1810, 15540), (1850, 15204), (2072, 13575), (2100, 13394), (2172, 12950), (2220, 12670), (2534, 11100), (2590, 10860), (2715, 10360), (2775, 10136), (3108, 9050), (3620, 7770), (3700, 7602), (3801, 7400), (3885, 7240), (4200, 6697), (4344, 6475), (4440, 6335), (4525, 6216), (5068, 5550), (5180, 5430)]