22721280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 74516064

約数和(自身を除く): 51794784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 97, 120, 122, 128, 160, 183, 192, 194, 240, 244, 256, 291, 305, 320, 366, 384, 388, 480, 485, 488, 582, 610, 640, 732, 768, 776, 915, 960, 970, 976, 1164, 1220, 1280, 1455, 1464, 1552, 1830, 1920, 1940, 1952, 2328, 2440, 2910, 2928, 3104, 3660, 3840, 3880, 3904, 4656, 4880, 5820, 5856, 5917, 6208, 7320, 7760, 7808, 9312, 9760, 11640, 11712, 11834, 12416, 14640, 15520, 15616, 17751, 18624, 19520, 23280, 23424, 23668, 24832, 29280, 29585, 31040, 35502, 37248, 39040, 46560, 46848, 47336, 58560, 59170, 62080, 71004, 74496, 78080, 88755, 93120, 94672, 117120, 118340, 124160, 142008, 177510, 186240, 189344, 234240, 236680, 284016, 355020, 372480, 378688, 473360, 568032, 710040, 757376, 946720, 1136064, 1420080, 1514752, 1893440, 2272128, 2840160, 3786880, 4544256, 5680320, 7573760, 11360640, 22721280]

約数ペア:

[(1, 22721280), (2, 11360640), (3, 7573760), (4, 5680320), (5, 4544256), (6, 3786880), (8, 2840160), (10, 2272128), (12, 1893440), (15, 1514752), (16, 1420080), (20, 1136064), (24, 946720), (30, 757376), (32, 710040), (40, 568032), (48, 473360), (60, 378688), (61, 372480), (64, 355020), (80, 284016), (96, 236680), (97, 234240), (120, 189344), (122, 186240), (128, 177510), (160, 142008), (183, 124160), (192, 118340), (194, 117120), (240, 94672), (244, 93120), (256, 88755), (291, 78080), (305, 74496), (320, 71004), (366, 62080), (384, 59170), (388, 58560), (480, 47336), (485, 46848), (488, 46560), (582, 39040), (610, 37248), (640, 35502), (732, 31040), (768, 29585), (776, 29280), (915, 24832), (960, 23668), (970, 23424), (976, 23280), (1164, 19520), (1220, 18624), (1280, 17751), (1455, 15616), (1464, 15520), (1552, 14640), (1830, 12416), (1920, 11834), (1940, 11712), (1952, 11640), (2328, 9760), (2440, 9312), (2910, 7808), (2928, 7760), (3104, 7320), (3660, 6208), (3840, 5917), (3880, 5856), (3904, 5820), (4656, 4880)]