21652800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 168

約数和(自身を含む): 76724256

約数和(自身を除く): 55071456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 347, 390, 400, 416, 480, 520, 600, 624, 650, 694, 780, 800, 832, 960, 975, 1040, 1041, 1200, 1248, 1300, 1388, 1560, 1600, 1735, 1950, 2080, 2082, 2400, 2496, 2600, 2776, 3120, 3470, 3900, 4160, 4164, 4511, 4800, 5200, 5205, 5552, 6240, 6940, 7800, 8328, 8675, 9022, 10400, 10410, 11104, 12480, 13533, 13880, 15600, 16656, 17350, 18044, 20800, 20820, 22208, 22555, 26025, 27066, 27760, 31200, 33312, 34700, 36088, 41640, 45110, 52050, 54132, 55520, 62400, 66624, 67665, 69400, 72176, 83280, 90220, 104100, 108264, 111040, 112775, 135330, 138800, 144352, 166560, 180440, 208200, 216528, 225550, 270660, 277600, 288704, 333120, 338325, 360880, 416400, 433056, 451100, 541320, 555200, 676650, 721760, 832800, 866112, 902200, 1082640, 1353300, 1443520, 1665600, 1804400, 2165280, 2706600, 3608800, 4330560, 5413200, 7217600, 10826400, 21652800]

約数ペア:

[(1, 21652800), (2, 10826400), (3, 7217600), (4, 5413200), (5, 4330560), (6, 3608800), (8, 2706600), (10, 2165280), (12, 1804400), (13, 1665600), (15, 1443520), (16, 1353300), (20, 1082640), (24, 902200), (25, 866112), (26, 832800), (30, 721760), (32, 676650), (39, 555200), (40, 541320), (48, 451100), (50, 433056), (52, 416400), (60, 360880), (64, 338325), (65, 333120), (75, 288704), (78, 277600), (80, 270660), (96, 225550), (100, 216528), (104, 208200), (120, 180440), (130, 166560), (150, 144352), (156, 138800), (160, 135330), (192, 112775), (195, 111040), (200, 108264), (208, 104100), (240, 90220), (260, 83280), (300, 72176), (312, 69400), (320, 67665), (325, 66624), (347, 62400), (390, 55520), (400, 54132), (416, 52050), (480, 45110), (520, 41640), (600, 36088), (624, 34700), (650, 33312), (694, 31200), (780, 27760), (800, 27066), (832, 26025), (960, 22555), (975, 22208), (1040, 20820), (1041, 20800), (1200, 18044), (1248, 17350), (1300, 16656), (1388, 15600), (1560, 13880), (1600, 13533), (1735, 12480), (1950, 11104), (2080, 10410), (2082, 10400), (2400, 9022), (2496, 8675), (2600, 8328), (2776, 7800), (3120, 6940), (3470, 6240), (3900, 5552), (4160, 5205), (4164, 5200), (4511, 4800)]