804590720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 2044569600

約数和(自身を除く): 1239978880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 128, 152, 160, 190, 254, 304, 320, 380, 508, 521, 608, 635, 640, 760, 1016, 1042, 1216, 1270, 1520, 2032, 2084, 2413, 2432, 2540, 2605, 3040, 4064, 4168, 4826, 5080, 5210, 6080, 8128, 8336, 9652, 9899, 10160, 10420, 12065, 12160, 16256, 16672, 19304, 19798, 20320, 20840, 24130, 33344, 38608, 39596, 40640, 41680, 48260, 49495, 66167, 66688, 77216, 79192, 81280, 83360, 96520, 98990, 132334, 154432, 158384, 166720, 193040, 197980, 264668, 308864, 316768, 330835, 333440, 386080, 395960, 529336, 633536, 661670, 772160, 791920, 1058672, 1257173, 1267072, 1323340, 1544320, 1583840, 2117344, 2514346, 2646680, 3167680, 4234688, 5028692, 5293360, 6285865, 6335360, 8469376, 10057384, 10586720, 12571730, 20114768, 21173440, 25143460, 40229536, 42346880, 50286920, 80459072, 100573840, 160918144, 201147680, 402295360, 804590720]

約数ペア:

[(1, 804590720), (2, 402295360), (4, 201147680), (5, 160918144), (8, 100573840), (10, 80459072), (16, 50286920), (19, 42346880), (20, 40229536), (32, 25143460), (38, 21173440), (40, 20114768), (64, 12571730), (76, 10586720), (80, 10057384), (95, 8469376), (127, 6335360), (128, 6285865), (152, 5293360), (160, 5028692), (190, 4234688), (254, 3167680), (304, 2646680), (320, 2514346), (380, 2117344), (508, 1583840), (521, 1544320), (608, 1323340), (635, 1267072), (640, 1257173), (760, 1058672), (1016, 791920), (1042, 772160), (1216, 661670), (1270, 633536), (1520, 529336), (2032, 395960), (2084, 386080), (2413, 333440), (2432, 330835), (2540, 316768), (2605, 308864), (3040, 264668), (4064, 197980), (4168, 193040), (4826, 166720), (5080, 158384), (5210, 154432), (6080, 132334), (8128, 98990), (8336, 96520), (9652, 83360), (9899, 81280), (10160, 79192), (10420, 77216), (12065, 66688), (12160, 66167), (16256, 49495), (16672, 48260), (19304, 41680), (19798, 40640), (20320, 39596), (20840, 38608), (24130, 33344)]