81914400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:424

約数の個数: 216

約数和(自身を含む): 298980864

約数和(自身を除く): 217066464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 32, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 96, 100, 120, 124, 144, 150, 155, 160, 180, 186, 200, 225, 240, 248, 279, 288, 300, 310, 360, 367, 372, 400, 450, 465, 480, 496, 558, 600, 620, 720, 734, 744, 775, 800, 900, 930, 992, 1101, 1116, 1200, 1240, 1395, 1440, 1468, 1488, 1550, 1800, 1835, 1860, 2202, 2232, 2325, 2400, 2480, 2790, 2936, 2976, 3100, 3303, 3600, 3670, 3720, 4404, 4464, 4650, 4960, 5505, 5580, 5872, 6200, 6606, 6975, 7200, 7340, 7440, 8808, 8928, 9175, 9300, 11010, 11160, 11377, 11744, 12400, 13212, 13950, 14680, 14880, 16515, 17616, 18350, 18600, 22020, 22320, 22754, 24800, 26424, 27525, 27900, 29360, 33030, 34131, 35232, 36700, 37200, 44040, 44640, 45508, 52848, 55050, 55800, 56885, 58720, 66060, 68262, 73400, 74400, 82575, 88080, 91016, 102393, 105696, 110100, 111600, 113770, 132120, 136524, 146800, 165150, 170655, 176160, 182032, 204786, 220200, 223200, 227540, 264240, 273048, 284425, 293600, 330300, 341310, 364064, 409572, 440400, 455080, 511965, 528480, 546096, 568850, 660600, 682620, 819144, 853275, 880800, 910160, 1023930, 1092192, 1137700, 1321200, 1365240, 1638288, 1706550, 1820320, 2047860, 2275400, 2559825, 2642400, 2730480, 3276576, 3413100, 4095720, 4550800, 5119650, 5460960, 6826200, 8191440, 9101600, 10239300, 13652400, 16382880, 20478600, 27304800, 40957200, 81914400]

約数ペア:

[(1, 81914400), (2, 40957200), (3, 27304800), (4, 20478600), (5, 16382880), (6, 13652400), (8, 10239300), (9, 9101600), (10, 8191440), (12, 6826200), (15, 5460960), (16, 5119650), (18, 4550800), (20, 4095720), (24, 3413100), (25, 3276576), (30, 2730480), (31, 2642400), (32, 2559825), (36, 2275400), (40, 2047860), (45, 1820320), (48, 1706550), (50, 1638288), (60, 1365240), (62, 1321200), (72, 1137700), (75, 1092192), (80, 1023930), (90, 910160), (93, 880800), (96, 853275), (100, 819144), (120, 682620), (124, 660600), (144, 568850), (150, 546096), (155, 528480), (160, 511965), (180, 455080), (186, 440400), (200, 409572), (225, 364064), (240, 341310), (248, 330300), (279, 293600), (288, 284425), (300, 273048), (310, 264240), (360, 227540), (367, 223200), (372, 220200), (400, 204786), (450, 182032), (465, 176160), (480, 170655), (496, 165150), (558, 146800), (600, 136524), (620, 132120), (720, 113770), (734, 111600), (744, 110100), (775, 105696), (800, 102393), (900, 91016), (930, 88080), (992, 82575), (1101, 74400), (1116, 73400), (1200, 68262), (1240, 66060), (1395, 58720), (1440, 56885), (1468, 55800), (1488, 55050), (1550, 52848), (1800, 45508), (1835, 44640), (1860, 44040), (2202, 37200), (2232, 36700), (2325, 35232), (2400, 34131), (2480, 33030), (2790, 29360), (2936, 27900), (2976, 27525), (3100, 26424), (3303, 24800), (3600, 22754), (3670, 22320), (3720, 22020), (4404, 18600), (4464, 18350), (4650, 17616), (4960, 16515), (5505, 14880), (5580, 14680), (5872, 13950), (6200, 13212), (6606, 12400), (6975, 11744), (7200, 11377), (7340, 11160), (7440, 11010), (8808, 9300), (8928, 9175)]