72790400

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 192344460

約数和(自身を除く): 119554060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 43, 46, 50, 64, 80, 86, 92, 100, 115, 128, 160, 172, 184, 200, 215, 230, 320, 344, 368, 400, 430, 460, 529, 575, 640, 688, 736, 800, 860, 920, 989, 1058, 1075, 1150, 1376, 1472, 1600, 1720, 1840, 1978, 2116, 2150, 2300, 2645, 2752, 2944, 3200, 3440, 3680, 3956, 4232, 4300, 4600, 4945, 5290, 5504, 6880, 7360, 7912, 8464, 8600, 9200, 9890, 10580, 13225, 13760, 14720, 15824, 16928, 17200, 18400, 19780, 21160, 22747, 24725, 26450, 27520, 31648, 33856, 34400, 36800, 39560, 42320, 45494, 49450, 52900, 63296, 67712, 68800, 73600, 79120, 84640, 90988, 98900, 105800, 113735, 126592, 137600, 158240, 169280, 181976, 197800, 211600, 227470, 316480, 338560, 363952, 395600, 423200, 454940, 568675, 632960, 727904, 791200, 846400, 909880, 1137350, 1455808, 1582400, 1692800, 1819760, 2274700, 2911616, 3164800, 3639520, 4549400, 7279040, 9098800, 14558080, 18197600, 36395200, 72790400]

約数ペア:

[(1, 72790400), (2, 36395200), (4, 18197600), (5, 14558080), (8, 9098800), (10, 7279040), (16, 4549400), (20, 3639520), (23, 3164800), (25, 2911616), (32, 2274700), (40, 1819760), (43, 1692800), (46, 1582400), (50, 1455808), (64, 1137350), (80, 909880), (86, 846400), (92, 791200), (100, 727904), (115, 632960), (128, 568675), (160, 454940), (172, 423200), (184, 395600), (200, 363952), (215, 338560), (230, 316480), (320, 227470), (344, 211600), (368, 197800), (400, 181976), (430, 169280), (460, 158240), (529, 137600), (575, 126592), (640, 113735), (688, 105800), (736, 98900), (800, 90988), (860, 84640), (920, 79120), (989, 73600), (1058, 68800), (1075, 67712), (1150, 63296), (1376, 52900), (1472, 49450), (1600, 45494), (1720, 42320), (1840, 39560), (1978, 36800), (2116, 34400), (2150, 33856), (2300, 31648), (2645, 27520), (2752, 26450), (2944, 24725), (3200, 22747), (3440, 21160), (3680, 19780), (3956, 18400), (4232, 17200), (4300, 16928), (4600, 15824), (4945, 14720), (5290, 13760), (5504, 13225), (6880, 10580), (7360, 9890), (7912, 9200), (8464, 8600)]