15215.00000000

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{1039}}^1$

素因数の和:1071

約数の個数: 180

約数和(自身を含む): 245765520

約数和(自身を除く): 178438320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 324, 360, 400, 405, 432, 450, 480, 540, 600, 648, 675, 720, 800, 810, 864, 900, 1039, 1080, 1200, 1296, 1350, 1440, 1620, 1800, 2025, 2078, 2160, 2400, 2592, 2700, 3117, 3240, 3600, 4050, 4156, 4320, 5195, 5400, 6234, 6480, 7200, 8100, 8312, 9351, 10390, 10800, 12468, 12960, 15585, 16200, 16624, 18702, 20780, 21600, 24936, 25975, 28053, 31170, 32400, 33248, 37404, 41560, 46755, 49872, 51950, 56106, 62340, 64800, 74808, 77925, 83120, 84159, 93510, 99744, 103900, 112212, 124680, 140265, 149616, 155850, 166240, 168318, 187020, 207800, 224424, 233775, 249360, 280530, 299232, 311700, 336636, 374040, 415600, 420795, 448848, 467550, 498720, 561060, 623400, 673272, 701325, 748080, 831200, 841590, 897696, 935100, 1122120, 1246800, 1346544, 1402650, 1496160, 1683180, 1870200, 2103975, 2244240, 2493600, 2693088, 2805300, 3366360, 3740400, 4207950, 4488480, 5610600, 6732720, 7480800, 8415900, 11221200, 13465440, 16831800, 22442400, 33663600, 67327200]

約数ペア:

[(1, 67327200), (2, 33663600), (3, 22442400), (4, 16831800), (5, 13465440), (6, 11221200), (8, 8415900), (9, 7480800), (10, 6732720), (12, 5610600), (15, 4488480), (16, 4207950), (18, 3740400), (20, 3366360), (24, 2805300), (25, 2693088), (27, 2493600), (30, 2244240), (32, 2103975), (36, 1870200), (40, 1683180), (45, 1496160), (48, 1402650), (50, 1346544), (54, 1246800), (60, 1122120), (72, 935100), (75, 897696), (80, 841590), (81, 831200), (90, 748080), (96, 701325), (100, 673272), (108, 623400), (120, 561060), (135, 498720), (144, 467550), (150, 448848), (160, 420795), (162, 415600), (180, 374040), (200, 336636), (216, 311700), (225, 299232), (240, 280530), (270, 249360), (288, 233775), (300, 224424), (324, 207800), (360, 187020), (400, 168318), (405, 166240), (432, 155850), (450, 149616), (480, 140265), (540, 124680), (600, 112212), (648, 103900), (675, 99744), (720, 93510), (800, 84159), (810, 83120), (864, 77925), (900, 74808), (1039, 64800), (1080, 62340), (1200, 56106), (1296, 51950), (1350, 49872), (1440, 46755), (1620, 41560), (1800, 37404), (2025, 33248), (2078, 32400), (2160, 31170), (2400, 28053), (2592, 25975), (2700, 24936), (3117, 21600), (3240, 20780), (3600, 18702), (4050, 16624), (4156, 16200), (4320, 15585), (5195, 12960), (5400, 12468), (6234, 10800), (6480, 10390), (7200, 9351), (8100, 8312)]