75720320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 129911680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 479, 494, 520, 608, 640, 760, 832, 958, 988, 1040, 1216, 1235, 1520, 1664, 1916, 1976, 2080, 2395, 2432, 2470, 3040, 3832, 3952, 4160, 4790, 4940, 6080, 6227, 7664, 7904, 8320, 9101, 9580, 9880, 12160, 12454, 15328, 15808, 18202, 19160, 19760, 24908, 30656, 31135, 31616, 36404, 38320, 39520, 45505, 49816, 61312, 62270, 72808, 76640, 79040, 91010, 99632, 118313, 124540, 145616, 153280, 158080, 182020, 199264, 236626, 249080, 291232, 306560, 364040, 398528, 473252, 498160, 582464, 591565, 728080, 797056, 946504, 996320, 1164928, 1183130, 1456160, 1893008, 1992640, 2366260, 2912320, 3786016, 3985280, 4732520, 5824640, 7572032, 9465040, 15144064, 18930080, 37860160, 75720320]

約数ペア:

[(1, 75720320), (2, 37860160), (4, 18930080), (5, 15144064), (8, 9465040), (10, 7572032), (13, 5824640), (16, 4732520), (19, 3985280), (20, 3786016), (26, 2912320), (32, 2366260), (38, 1992640), (40, 1893008), (52, 1456160), (64, 1183130), (65, 1164928), (76, 996320), (80, 946504), (95, 797056), (104, 728080), (128, 591565), (130, 582464), (152, 498160), (160, 473252), (190, 398528), (208, 364040), (247, 306560), (260, 291232), (304, 249080), (320, 236626), (380, 199264), (416, 182020), (479, 158080), (494, 153280), (520, 145616), (608, 124540), (640, 118313), (760, 99632), (832, 91010), (958, 79040), (988, 76640), (1040, 72808), (1216, 62270), (1235, 61312), (1520, 49816), (1664, 45505), (1916, 39520), (1976, 38320), (2080, 36404), (2395, 31616), (2432, 31135), (2470, 30656), (3040, 24908), (3832, 19760), (3952, 19160), (4160, 18202), (4790, 15808), (4940, 15328), (6080, 12454), (6227, 12160), (7664, 9880), (7904, 9580), (8320, 9101)]