128691640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 378224640

約数和(自身を除く): 249533000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 49, 55, 56, 70, 77, 88, 94, 98, 110, 127, 140, 154, 188, 196, 220, 235, 245, 254, 280, 308, 329, 376, 385, 392, 440, 470, 490, 508, 517, 539, 616, 635, 658, 770, 889, 940, 980, 1016, 1034, 1078, 1270, 1316, 1397, 1540, 1645, 1778, 1880, 1960, 2068, 2156, 2303, 2540, 2585, 2632, 2695, 2794, 3080, 3290, 3556, 3619, 4136, 4312, 4445, 4606, 5080, 5170, 5390, 5588, 5969, 6223, 6580, 6985, 7112, 7238, 8890, 9212, 9779, 10340, 10780, 11176, 11515, 11938, 12446, 13160, 13970, 14476, 17780, 18095, 18424, 19558, 20680, 21560, 23030, 23876, 24892, 25333, 27940, 28952, 29845, 31115, 35560, 36190, 39116, 41783, 46060, 47752, 48895, 49784, 50666, 55880, 59690, 62230, 65659, 68453, 72380, 78232, 83566, 92120, 97790, 101332, 119380, 124460, 126665, 131318, 136906, 144760, 167132, 195580, 202664, 208915, 238760, 248920, 253330, 262636, 273812, 292481, 328295, 334264, 342265, 391160, 417830, 459613, 506660, 525272, 547624, 584962, 656590, 684530, 835660, 919226, 1013320, 1169924, 1313180, 1369060, 1462405, 1671320, 1838452, 2298065, 2339848, 2626360, 2738120, 2924810, 3217291, 3676904, 4596130, 5849620, 6434582, 9192260, 11699240, 12869164, 16086455, 18384520, 25738328, 32172910, 64345820, 128691640]

約数ペア:

[(1, 128691640), (2, 64345820), (4, 32172910), (5, 25738328), (7, 18384520), (8, 16086455), (10, 12869164), (11, 11699240), (14, 9192260), (20, 6434582), (22, 5849620), (28, 4596130), (35, 3676904), (40, 3217291), (44, 2924810), (47, 2738120), (49, 2626360), (55, 2339848), (56, 2298065), (70, 1838452), (77, 1671320), (88, 1462405), (94, 1369060), (98, 1313180), (110, 1169924), (127, 1013320), (140, 919226), (154, 835660), (188, 684530), (196, 656590), (220, 584962), (235, 547624), (245, 525272), (254, 506660), (280, 459613), (308, 417830), (329, 391160), (376, 342265), (385, 334264), (392, 328295), (440, 292481), (470, 273812), (490, 262636), (508, 253330), (517, 248920), (539, 238760), (616, 208915), (635, 202664), (658, 195580), (770, 167132), (889, 144760), (940, 136906), (980, 131318), (1016, 126665), (1034, 124460), (1078, 119380), (1270, 101332), (1316, 97790), (1397, 92120), (1540, 83566), (1645, 78232), (1778, 72380), (1880, 68453), (1960, 65659), (2068, 62230), (2156, 59690), (2303, 55880), (2540, 50666), (2585, 49784), (2632, 48895), (2695, 47752), (2794, 46060), (3080, 41783), (3290, 39116), (3556, 36190), (3619, 35560), (4136, 31115), (4312, 29845), (4445, 28952), (4606, 27940), (5080, 25333), (5170, 24892), (5390, 23876), (5588, 23030), (5969, 21560), (6223, 20680), (6580, 19558), (6985, 18424), (7112, 18095), (7238, 17780), (8890, 14476), (9212, 13970), (9779, 13160), (10340, 12446), (10780, 11938), (11176, 11515)]