27943240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 74844000

約数和(自身を除く): 46900760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 109, 116, 130, 136, 145, 170, 218, 221, 232, 260, 290, 340, 377, 436, 442, 493, 520, 545, 580, 680, 754, 872, 884, 986, 1090, 1105, 1160, 1417, 1508, 1768, 1853, 1885, 1972, 2180, 2210, 2465, 2834, 3016, 3161, 3706, 3770, 3944, 4360, 4420, 4930, 5668, 6322, 6409, 7085, 7412, 7540, 8840, 9265, 9860, 11336, 12644, 12818, 14170, 14824, 15080, 15805, 18530, 19720, 24089, 25288, 25636, 28340, 31610, 32045, 37060, 41093, 48178, 51272, 53737, 56680, 63220, 64090, 74120, 82186, 96356, 107474, 120445, 126440, 128180, 164372, 192712, 205465, 214948, 240890, 256360, 268685, 328744, 410930, 429896, 481780, 537370, 698581, 821860, 963560, 1074740, 1397162, 1643720, 2149480, 2794324, 3492905, 5588648, 6985810, 13971620, 27943240]

約数ペア:

[(1, 27943240), (2, 13971620), (4, 6985810), (5, 5588648), (8, 3492905), (10, 2794324), (13, 2149480), (17, 1643720), (20, 1397162), (26, 1074740), (29, 963560), (34, 821860), (40, 698581), (52, 537370), (58, 481780), (65, 429896), (68, 410930), (85, 328744), (104, 268685), (109, 256360), (116, 240890), (130, 214948), (136, 205465), (145, 192712), (170, 164372), (218, 128180), (221, 126440), (232, 120445), (260, 107474), (290, 96356), (340, 82186), (377, 74120), (436, 64090), (442, 63220), (493, 56680), (520, 53737), (545, 51272), (580, 48178), (680, 41093), (754, 37060), (872, 32045), (884, 31610), (986, 28340), (1090, 25636), (1105, 25288), (1160, 24089), (1417, 19720), (1508, 18530), (1768, 15805), (1853, 15080), (1885, 14824), (1972, 14170), (2180, 12818), (2210, 12644), (2465, 11336), (2834, 9860), (3016, 9265), (3161, 8840), (3706, 7540), (3770, 7412), (3944, 7085), (4360, 6409), (4420, 6322), (4930, 5668)]