279796020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 929273856

約数和(自身を除く): 649477836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 67, 70, 84, 105, 122, 134, 140, 163, 183, 201, 210, 244, 268, 305, 326, 335, 366, 402, 420, 427, 469, 489, 610, 652, 670, 732, 804, 815, 854, 915, 938, 978, 1005, 1141, 1220, 1281, 1340, 1407, 1630, 1708, 1830, 1876, 1956, 2010, 2135, 2282, 2345, 2445, 2562, 2814, 3260, 3423, 3660, 4020, 4087, 4270, 4564, 4690, 4890, 5124, 5628, 5705, 6405, 6846, 7035, 8174, 8540, 9380, 9780, 9943, 10921, 11410, 12261, 12810, 13692, 14070, 16348, 17115, 19886, 20435, 21842, 22820, 24522, 25620, 28140, 28609, 29829, 32763, 34230, 39772, 40870, 43684, 49044, 49715, 54605, 57218, 59658, 61305, 65526, 68460, 69601, 76447, 81740, 85827, 99430, 109210, 114436, 119316, 122610, 131052, 139202, 143045, 149145, 152894, 163815, 171654, 198860, 208803, 218420, 229341, 245220, 278404, 286090, 298290, 305788, 327630, 343308, 348005, 382235, 417606, 429135, 458682, 572180, 596580, 655260, 666181, 696010, 764470, 835212, 858270, 917364, 1044015, 1146705, 1332362, 1392020, 1528940, 1716540, 1998543, 2088030, 2293410, 2664724, 3330905, 3997086, 4176060, 4586820, 4663267, 6661810, 7994172, 9326534, 9992715, 13323620, 13989801, 18653068, 19985430, 23316335, 27979602, 39970860, 46632670, 55959204, 69949005, 93265340, 139898010, 279796020]

約数ペア:

[(1, 279796020), (2, 139898010), (3, 93265340), (4, 69949005), (5, 55959204), (6, 46632670), (7, 39970860), (10, 27979602), (12, 23316335), (14, 19985430), (15, 18653068), (20, 13989801), (21, 13323620), (28, 9992715), (30, 9326534), (35, 7994172), (42, 6661810), (60, 4663267), (61, 4586820), (67, 4176060), (70, 3997086), (84, 3330905), (105, 2664724), (122, 2293410), (134, 2088030), (140, 1998543), (163, 1716540), (183, 1528940), (201, 1392020), (210, 1332362), (244, 1146705), (268, 1044015), (305, 917364), (326, 858270), (335, 835212), (366, 764470), (402, 696010), (420, 666181), (427, 655260), (469, 596580), (489, 572180), (610, 458682), (652, 429135), (670, 417606), (732, 382235), (804, 348005), (815, 343308), (854, 327630), (915, 305788), (938, 298290), (978, 286090), (1005, 278404), (1141, 245220), (1220, 229341), (1281, 218420), (1340, 208803), (1407, 198860), (1630, 171654), (1708, 163815), (1830, 152894), (1876, 149145), (1956, 143045), (2010, 139202), (2135, 131052), (2282, 122610), (2345, 119316), (2445, 114436), (2562, 109210), (2814, 99430), (3260, 85827), (3423, 81740), (3660, 76447), (4020, 69601), (4087, 68460), (4270, 65526), (4564, 61305), (4690, 59658), (4890, 57218), (5124, 54605), (5628, 49715), (5705, 49044), (6405, 43684), (6846, 40870), (7035, 39772), (8174, 34230), (8540, 32763), (9380, 29829), (9780, 28609), (9943, 28140), (10921, 25620), (11410, 24522), (12261, 22820), (12810, 21842), (13692, 20435), (14070, 19886), (16348, 17115)]