72961280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 138960640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 479, 544, 560, 595, 640, 680, 896, 952, 958, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 1916, 2176, 2240, 2380, 2395, 2720, 3353, 3808, 3832, 4352, 4480, 4760, 4790, 5440, 6706, 7616, 7664, 8143, 8960, 9520, 9580, 10880, 13412, 15232, 15328, 16286, 16765, 19040, 19160, 21760, 26824, 30464, 30656, 32572, 33530, 38080, 38320, 40715, 53648, 57001, 61312, 65144, 67060, 76160, 76640, 81430, 107296, 114002, 122624, 130288, 134120, 152320, 153280, 162860, 214592, 228004, 260576, 268240, 285005, 306560, 325720, 429184, 456008, 521152, 536480, 570010, 613120, 651440, 858368, 912016, 1042304, 1072960, 1140020, 1302880, 1824032, 2084608, 2145920, 2280040, 2605760, 3648064, 4291840, 4560080, 5211520, 7296128, 9120160, 10423040, 14592256, 18240320, 36480640, 72961280]

約数ペア:

[(1, 72961280), (2, 36480640), (4, 18240320), (5, 14592256), (7, 10423040), (8, 9120160), (10, 7296128), (14, 5211520), (16, 4560080), (17, 4291840), (20, 3648064), (28, 2605760), (32, 2280040), (34, 2145920), (35, 2084608), (40, 1824032), (56, 1302880), (64, 1140020), (68, 1072960), (70, 1042304), (80, 912016), (85, 858368), (112, 651440), (119, 613120), (128, 570010), (136, 536480), (140, 521152), (160, 456008), (170, 429184), (224, 325720), (238, 306560), (256, 285005), (272, 268240), (280, 260576), (320, 228004), (340, 214592), (448, 162860), (476, 153280), (479, 152320), (544, 134120), (560, 130288), (595, 122624), (640, 114002), (680, 107296), (896, 81430), (952, 76640), (958, 76160), (1088, 67060), (1120, 65144), (1190, 61312), (1280, 57001), (1360, 53648), (1792, 40715), (1904, 38320), (1916, 38080), (2176, 33530), (2240, 32572), (2380, 30656), (2395, 30464), (2720, 26824), (3353, 21760), (3808, 19160), (3832, 19040), (4352, 16765), (4480, 16286), (4760, 15328), (4790, 15232), (5440, 13412), (6706, 10880), (7616, 9580), (7664, 9520), (8143, 8960)]