64207640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 186157440

約数和(自身を除く): 121949800

約数列:

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

約数ペア:

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