21688283520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1255109}}^1$

素因数の和:1255137

約数の個数: 128

約数和(自身を含む): 76812732000

約数和(自身を除く): 55124448480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1255109, 2510218, 3765327, 5020436, 6275545, 7530654, 10040872, 11295981, 12551090, 15061308, 18826635, 20081744, 22591962, 25102180, 30122616, 33887943, 37653270, 40163488, 45183924, 50204360, 56479905, 60245232, 67775886, 75306540, 80326976, 90367848, 100408720, 112959810, 120490464, 135551772, 150613080, 160653952, 169439715, 180735696, 200817440, 225919620, 240980928, 271103544, 301226160, 338879430, 361471392, 401634880, 451839240, 481961856, 542207088, 602452320, 677758860, 722942784, 803269760, 903678480, 1084414176, 1204904640, 1355517720, 1445885568, 1807356960, 2168828352, 2409809280, 2711035440, 3614713920, 4337656704, 5422070880, 7229427840, 10844141760, 21688283520]

約数ペア:

[(1, 21688283520), (2, 10844141760), (3, 7229427840), (4, 5422070880), (5, 4337656704), (6, 3614713920), (8, 2711035440), (9, 2409809280), (10, 2168828352), (12, 1807356960), (15, 1445885568), (16, 1355517720), (18, 1204904640), (20, 1084414176), (24, 903678480), (27, 803269760), (30, 722942784), (32, 677758860), (36, 602452320), (40, 542207088), (45, 481961856), (48, 451839240), (54, 401634880), (60, 361471392), (64, 338879430), (72, 301226160), (80, 271103544), (90, 240980928), (96, 225919620), (108, 200817440), (120, 180735696), (128, 169439715), (135, 160653952), (144, 150613080), (160, 135551772), (180, 120490464), (192, 112959810), (216, 100408720), (240, 90367848), (270, 80326976), (288, 75306540), (320, 67775886), (360, 60245232), (384, 56479905), (432, 50204360), (480, 45183924), (540, 40163488), (576, 37653270), (640, 33887943), (720, 30122616), (864, 25102180), (960, 22591962), (1080, 20081744), (1152, 18826635), (1440, 15061308), (1728, 12551090), (1920, 11295981), (2160, 10040872), (2880, 7530654), (3456, 6275545), (4320, 5020436), (5760, 3765327), (8640, 2510218), (17280, 1255109)]