73218040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 125847560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 127, 140, 142, 145, 203, 232, 254, 280, 284, 290, 355, 406, 497, 508, 568, 580, 635, 710, 812, 889, 994, 1015, 1016, 1160, 1270, 1420, 1624, 1778, 1988, 2030, 2059, 2485, 2540, 2840, 3556, 3683, 3976, 4060, 4118, 4445, 4970, 5080, 7112, 7366, 8120, 8236, 8890, 9017, 9940, 10295, 14413, 14732, 16472, 17780, 18034, 18415, 19880, 20590, 25781, 28826, 29464, 35560, 36068, 36830, 41180, 45085, 51562, 57652, 63119, 72065, 72136, 73660, 82360, 90170, 103124, 115304, 126238, 128905, 144130, 147320, 180340, 206248, 252476, 257810, 261493, 288260, 315595, 360680, 504952, 515620, 522986, 576520, 631190, 1031240, 1045972, 1262380, 1307465, 1830451, 2091944, 2524760, 2614930, 3660902, 5229860, 7321804, 9152255, 10459720, 14643608, 18304510, 36609020, 73218040]

約数ペア:

[(1, 73218040), (2, 36609020), (4, 18304510), (5, 14643608), (7, 10459720), (8, 9152255), (10, 7321804), (14, 5229860), (20, 3660902), (28, 2614930), (29, 2524760), (35, 2091944), (40, 1830451), (56, 1307465), (58, 1262380), (70, 1045972), (71, 1031240), (116, 631190), (127, 576520), (140, 522986), (142, 515620), (145, 504952), (203, 360680), (232, 315595), (254, 288260), (280, 261493), (284, 257810), (290, 252476), (355, 206248), (406, 180340), (497, 147320), (508, 144130), (568, 128905), (580, 126238), (635, 115304), (710, 103124), (812, 90170), (889, 82360), (994, 73660), (1015, 72136), (1016, 72065), (1160, 63119), (1270, 57652), (1420, 51562), (1624, 45085), (1778, 41180), (1988, 36830), (2030, 36068), (2059, 35560), (2485, 29464), (2540, 28826), (2840, 25781), (3556, 20590), (3683, 19880), (3976, 18415), (4060, 18034), (4118, 17780), (4445, 16472), (4970, 14732), (5080, 14413), (7112, 10295), (7366, 9940), (8120, 9017), (8236, 8890)]