72666880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 205005024

約数和(自身を除く): 132338144

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 397, 416, 440, 520, 572, 640, 704, 715, 794, 832, 880, 1040, 1144, 1280, 1408, 1430, 1588, 1664, 1760, 1985, 2080, 2288, 2816, 2860, 3176, 3328, 3520, 3970, 4160, 4367, 4576, 5161, 5720, 6352, 7040, 7940, 8320, 8734, 9152, 10322, 11440, 12704, 14080, 15880, 16640, 17468, 18304, 20644, 21835, 22880, 25408, 25805, 31760, 34936, 36608, 41288, 43670, 45760, 50816, 51610, 56771, 63520, 69872, 82576, 87340, 91520, 101632, 103220, 113542, 127040, 139744, 165152, 174680, 183040, 206440, 227084, 254080, 279488, 283855, 330304, 349360, 412880, 454168, 508160, 558976, 567710, 660608, 698720, 825760, 908336, 1117952, 1135420, 1321216, 1397440, 1651520, 1816672, 2270840, 2794880, 3303040, 3633344, 4541680, 5589760, 6606080, 7266688, 9083360, 14533376, 18166720, 36333440, 72666880]

約数ペア:

[(1, 72666880), (2, 36333440), (4, 18166720), (5, 14533376), (8, 9083360), (10, 7266688), (11, 6606080), (13, 5589760), (16, 4541680), (20, 3633344), (22, 3303040), (26, 2794880), (32, 2270840), (40, 1816672), (44, 1651520), (52, 1397440), (55, 1321216), (64, 1135420), (65, 1117952), (80, 908336), (88, 825760), (104, 698720), (110, 660608), (128, 567710), (130, 558976), (143, 508160), (160, 454168), (176, 412880), (208, 349360), (220, 330304), (256, 283855), (260, 279488), (286, 254080), (320, 227084), (352, 206440), (397, 183040), (416, 174680), (440, 165152), (520, 139744), (572, 127040), (640, 113542), (704, 103220), (715, 101632), (794, 91520), (832, 87340), (880, 82576), (1040, 69872), (1144, 63520), (1280, 56771), (1408, 51610), (1430, 50816), (1588, 45760), (1664, 43670), (1760, 41288), (1985, 36608), (2080, 34936), (2288, 31760), (2816, 25805), (2860, 25408), (3176, 22880), (3328, 21835), (3520, 20644), (3970, 18304), (4160, 17468), (4367, 16640), (4576, 15880), (5161, 14080), (5720, 12704), (6352, 11440), (7040, 10322), (7940, 9152), (8320, 8734)]