64444520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 109737880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 59, 70, 83, 94, 118, 140, 166, 188, 235, 236, 280, 295, 329, 332, 376, 413, 415, 470, 472, 581, 590, 658, 664, 826, 830, 940, 1162, 1180, 1316, 1645, 1652, 1660, 1880, 2065, 2324, 2360, 2632, 2773, 2905, 3290, 3304, 3320, 3901, 4130, 4648, 4897, 5546, 5810, 6580, 7802, 8260, 9794, 11092, 11620, 13160, 13865, 15604, 16520, 19411, 19505, 19588, 22184, 23240, 24485, 27307, 27730, 31208, 34279, 38822, 39010, 39176, 48970, 54614, 55460, 68558, 77644, 78020, 97055, 97940, 109228, 110920, 136535, 137116, 155288, 156040, 171395, 194110, 195880, 218456, 230159, 273070, 274232, 342790, 388220, 460318, 546140, 685580, 776440, 920636, 1092280, 1150795, 1371160, 1611113, 1841272, 2301590, 3222226, 4603180, 6444452, 8055565, 9206360, 12888904, 16111130, 32222260, 64444520]

約数ペア:

[(1, 64444520), (2, 32222260), (4, 16111130), (5, 12888904), (7, 9206360), (8, 8055565), (10, 6444452), (14, 4603180), (20, 3222226), (28, 2301590), (35, 1841272), (40, 1611113), (47, 1371160), (56, 1150795), (59, 1092280), (70, 920636), (83, 776440), (94, 685580), (118, 546140), (140, 460318), (166, 388220), (188, 342790), (235, 274232), (236, 273070), (280, 230159), (295, 218456), (329, 195880), (332, 194110), (376, 171395), (413, 156040), (415, 155288), (470, 137116), (472, 136535), (581, 110920), (590, 109228), (658, 97940), (664, 97055), (826, 78020), (830, 77644), (940, 68558), (1162, 55460), (1180, 54614), (1316, 48970), (1645, 39176), (1652, 39010), (1660, 38822), (1880, 34279), (2065, 31208), (2324, 27730), (2360, 27307), (2632, 24485), (2773, 23240), (2905, 22184), (3290, 19588), (3304, 19505), (3320, 19411), (3901, 16520), (4130, 15604), (4648, 13865), (4897, 13160), (5546, 11620), (5810, 11092), (6580, 9794), (7802, 8260)]