21607680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 73289664

約数和(自身を除く): 51681984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 331, 340, 384, 408, 480, 510, 544, 640, 662, 680, 768, 816, 960, 993, 1020, 1088, 1280, 1324, 1360, 1632, 1655, 1920, 1986, 2040, 2176, 2648, 2720, 3264, 3310, 3840, 3972, 4080, 4352, 4965, 5296, 5440, 5627, 6528, 6620, 7944, 8160, 9930, 10592, 10880, 11254, 13056, 13240, 15888, 16320, 16881, 19860, 21184, 21760, 22508, 26480, 28135, 31776, 32640, 33762, 39720, 42368, 45016, 52960, 56270, 63552, 65280, 67524, 79440, 84405, 84736, 90032, 105920, 112540, 127104, 135048, 158880, 168810, 180064, 211840, 225080, 254208, 270096, 317760, 337620, 360128, 423680, 450160, 540192, 635520, 675240, 720256, 900320, 1080384, 1271040, 1350480, 1440512, 1800640, 2160768, 2700960, 3601280, 4321536, 5401920, 7202560, 10803840, 21607680]

約数ペア:

[(1, 21607680), (2, 10803840), (3, 7202560), (4, 5401920), (5, 4321536), (6, 3601280), (8, 2700960), (10, 2160768), (12, 1800640), (15, 1440512), (16, 1350480), (17, 1271040), (20, 1080384), (24, 900320), (30, 720256), (32, 675240), (34, 635520), (40, 540192), (48, 450160), (51, 423680), (60, 360128), (64, 337620), (68, 317760), (80, 270096), (85, 254208), (96, 225080), (102, 211840), (120, 180064), (128, 168810), (136, 158880), (160, 135048), (170, 127104), (192, 112540), (204, 105920), (240, 90032), (255, 84736), (256, 84405), (272, 79440), (320, 67524), (331, 65280), (340, 63552), (384, 56270), (408, 52960), (480, 45016), (510, 42368), (544, 39720), (640, 33762), (662, 32640), (680, 31776), (768, 28135), (816, 26480), (960, 22508), (993, 21760), (1020, 21184), (1088, 19860), (1280, 16881), (1324, 16320), (1360, 15888), (1632, 13240), (1655, 13056), (1920, 11254), (1986, 10880), (2040, 10592), (2176, 9930), (2648, 8160), (2720, 7944), (3264, 6620), (3310, 6528), (3840, 5627), (3972, 5440), (4080, 5296), (4352, 4965)]