20095927680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{21851}}^1$

素因数の和:22352

約数の個数: 128

約数和(自身を含む): 64192435200

約数和(自身を除く): 44096507520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 479, 480, 640, 958, 960, 1437, 1916, 1920, 2395, 2874, 3832, 4790, 5748, 7185, 7664, 9580, 11496, 14370, 15328, 19160, 21851, 22992, 28740, 30656, 38320, 43702, 45984, 57480, 61312, 65553, 76640, 87404, 91968, 109255, 114960, 131106, 153280, 174808, 183936, 218510, 229920, 262212, 306560, 327765, 349616, 437020, 459840, 524424, 655530, 699232, 874040, 919680, 1048848, 1311060, 1398464, 1748080, 2097696, 2622120, 2796928, 3496160, 4195392, 5244240, 6992320, 8390784, 10466629, 10488480, 13984640, 20933258, 20976960, 31399887, 41866516, 41953920, 52333145, 62799774, 83733032, 104666290, 125599548, 156999435, 167466064, 209332580, 251199096, 313998870, 334932128, 418665160, 502398192, 627997740, 669864256, 837330320, 1004796384, 1255995480, 1339728512, 1674660640, 2009592768, 2511990960, 3349321280, 4019185536, 5023981920, 6698642560, 10047963840, 20095927680]

約数ペア:

[(1, 20095927680), (2, 10047963840), (3, 6698642560), (4, 5023981920), (5, 4019185536), (6, 3349321280), (8, 2511990960), (10, 2009592768), (12, 1674660640), (15, 1339728512), (16, 1255995480), (20, 1004796384), (24, 837330320), (30, 669864256), (32, 627997740), (40, 502398192), (48, 418665160), (60, 334932128), (64, 313998870), (80, 251199096), (96, 209332580), (120, 167466064), (128, 156999435), (160, 125599548), (192, 104666290), (240, 83733032), (320, 62799774), (384, 52333145), (479, 41953920), (480, 41866516), (640, 31399887), (958, 20976960), (960, 20933258), (1437, 13984640), (1916, 10488480), (1920, 10466629), (2395, 8390784), (2874, 6992320), (3832, 5244240), (4790, 4195392), (5748, 3496160), (7185, 2796928), (7664, 2622120), (9580, 2097696), (11496, 1748080), (14370, 1398464), (15328, 1311060), (19160, 1048848), (21851, 919680), (22992, 874040), (28740, 699232), (30656, 655530), (38320, 524424), (43702, 459840), (45984, 437020), (57480, 349616), (61312, 327765), (65553, 306560), (76640, 262212), (87404, 229920), (91968, 218510), (109255, 183936), (114960, 174808), (131106, 153280)]