151440640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 412070400

約数和(自身を除く): 260629760

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, 256, 260, 304, 320, 380, 416, 479, 494, 520, 608, 640, 760, 832, 958, 988, 1040, 1216, 1235, 1280, 1520, 1664, 1916, 1976, 2080, 2395, 2432, 2470, 3040, 3328, 3832, 3952, 4160, 4790, 4864, 4940, 6080, 6227, 7664, 7904, 8320, 9101, 9580, 9880, 12160, 12454, 15328, 15808, 16640, 18202, 19160, 19760, 24320, 24908, 30656, 31135, 31616, 36404, 38320, 39520, 45505, 49816, 61312, 62270, 63232, 72808, 76640, 79040, 91010, 99632, 118313, 122624, 124540, 145616, 153280, 158080, 182020, 199264, 236626, 249080, 291232, 306560, 316160, 364040, 398528, 473252, 498160, 582464, 591565, 613120, 728080, 797056, 946504, 996320, 1164928, 1183130, 1456160, 1594112, 1893008, 1992640, 2329856, 2366260, 2912320, 3786016, 3985280, 4732520, 5824640, 7572032, 7970560, 9465040, 11649280, 15144064, 18930080, 30288128, 37860160, 75720320, 151440640]

約数ペア:

[(1, 151440640), (2, 75720320), (4, 37860160), (5, 30288128), (8, 18930080), (10, 15144064), (13, 11649280), (16, 9465040), (19, 7970560), (20, 7572032), (26, 5824640), (32, 4732520), (38, 3985280), (40, 3786016), (52, 2912320), (64, 2366260), (65, 2329856), (76, 1992640), (80, 1893008), (95, 1594112), (104, 1456160), (128, 1183130), (130, 1164928), (152, 996320), (160, 946504), (190, 797056), (208, 728080), (247, 613120), (256, 591565), (260, 582464), (304, 498160), (320, 473252), (380, 398528), (416, 364040), (479, 316160), (494, 306560), (520, 291232), (608, 249080), (640, 236626), (760, 199264), (832, 182020), (958, 158080), (988, 153280), (1040, 145616), (1216, 124540), (1235, 122624), (1280, 118313), (1520, 99632), (1664, 91010), (1916, 79040), (1976, 76640), (2080, 72808), (2395, 63232), (2432, 62270), (2470, 61312), (3040, 49816), (3328, 45505), (3832, 39520), (3952, 38320), (4160, 36404), (4790, 31616), (4864, 31135), (4940, 30656), (6080, 24908), (6227, 24320), (7664, 19760), (7904, 19160), (8320, 18202), (9101, 16640), (9580, 15808), (9880, 15328), (12160, 12454)]