128415280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 384725376

約数和(自身を除く): 256310096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 47, 49, 56, 68, 70, 80, 82, 85, 94, 98, 112, 119, 136, 140, 164, 170, 188, 196, 205, 235, 238, 245, 272, 280, 287, 328, 329, 340, 376, 392, 410, 470, 476, 490, 560, 574, 595, 656, 658, 680, 697, 752, 784, 799, 820, 833, 940, 952, 980, 1148, 1190, 1316, 1360, 1394, 1435, 1598, 1640, 1645, 1666, 1880, 1904, 1927, 1960, 2009, 2296, 2303, 2380, 2632, 2788, 2870, 3196, 3280, 3290, 3332, 3485, 3760, 3854, 3920, 3995, 4018, 4165, 4592, 4606, 4760, 4879, 5264, 5576, 5593, 5740, 6392, 6580, 6664, 6970, 7708, 7990, 8036, 8330, 9212, 9520, 9635, 9758, 10045, 11152, 11186, 11480, 11515, 12784, 13160, 13328, 13489, 13940, 15416, 15980, 16072, 16660, 18424, 19270, 19516, 20090, 22372, 22960, 23030, 24395, 26320, 26978, 27880, 27965, 30832, 31960, 32144, 32759, 33320, 34153, 36848, 38540, 39032, 39151, 40180, 44744, 46060, 48790, 53956, 55760, 55930, 63920, 65518, 66640, 67445, 68306, 77080, 78064, 78302, 80360, 89488, 92120, 94423, 97580, 107912, 111860, 131036, 134890, 136612, 154160, 156604, 160720, 163795, 170765, 184240, 188846, 195160, 195755, 215824, 223720, 229313, 262072, 269780, 273224, 313208, 327590, 341530, 377692, 390320, 391510, 447440, 458626, 472115, 524144, 539560, 546448, 626416, 655180, 683060, 755384, 783020, 917252, 944230, 1079120, 1146565, 1310360, 1366120, 1510768, 1566040, 1605191, 1834504, 1888460, 2293130, 2620720, 2732240, 3132080, 3210382, 3669008, 3776920, 4586260, 6420764, 7553840, 8025955, 9172520, 12841528, 16051910, 18345040, 25683056, 32103820, 64207640, 128415280]

約数ペア:

[(1, 128415280), (2, 64207640), (4, 32103820), (5, 25683056), (7, 18345040), (8, 16051910), (10, 12841528), (14, 9172520), (16, 8025955), (17, 7553840), (20, 6420764), (28, 4586260), (34, 3776920), (35, 3669008), (40, 3210382), (41, 3132080), (47, 2732240), (49, 2620720), (56, 2293130), (68, 1888460), (70, 1834504), (80, 1605191), (82, 1566040), (85, 1510768), (94, 1366120), (98, 1310360), (112, 1146565), (119, 1079120), (136, 944230), (140, 917252), (164, 783020), (170, 755384), (188, 683060), (196, 655180), (205, 626416), (235, 546448), (238, 539560), (245, 524144), (272, 472115), (280, 458626), (287, 447440), (328, 391510), (329, 390320), (340, 377692), (376, 341530), (392, 327590), (410, 313208), (470, 273224), (476, 269780), (490, 262072), (560, 229313), (574, 223720), (595, 215824), (656, 195755), (658, 195160), (680, 188846), (697, 184240), (752, 170765), (784, 163795), (799, 160720), (820, 156604), (833, 154160), (940, 136612), (952, 134890), (980, 131036), (1148, 111860), (1190, 107912), (1316, 97580), (1360, 94423), (1394, 92120), (1435, 89488), (1598, 80360), (1640, 78302), (1645, 78064), (1666, 77080), (1880, 68306), (1904, 67445), (1927, 66640), (1960, 65518), (2009, 63920), (2296, 55930), (2303, 55760), (2380, 53956), (2632, 48790), (2788, 46060), (2870, 44744), (3196, 40180), (3280, 39151), (3290, 39032), (3332, 38540), (3485, 36848), (3760, 34153), (3854, 33320), (3920, 32759), (3995, 32144), (4018, 31960), (4165, 30832), (4592, 27965), (4606, 27880), (4760, 26978), (4879, 26320), (5264, 24395), (5576, 23030), (5593, 22960), (5740, 22372), (6392, 20090), (6580, 19516), (6664, 19270), (6970, 18424), (7708, 16660), (7990, 16072), (8036, 15980), (8330, 15416), (9212, 13940), (9520, 13489), (9635, 13328), (9758, 13160), (10045, 12784), (11152, 11515), (11186, 11480)]