26630520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 66681480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 647, 686, 735, 840, 980, 1029, 1176, 1294, 1372, 1470, 1715, 1941, 1960, 2058, 2588, 2744, 2940, 3235, 3430, 3882, 4116, 4529, 5145, 5176, 5880, 6470, 6860, 7764, 8232, 9058, 9705, 10290, 12940, 13587, 13720, 15528, 18116, 19410, 20580, 22645, 25880, 27174, 31703, 36232, 38820, 41160, 45290, 54348, 63406, 67935, 77640, 90580, 95109, 108696, 126812, 135870, 158515, 181160, 190218, 221921, 253624, 271740, 317030, 380436, 443842, 475545, 543480, 634060, 665763, 760872, 887684, 951090, 1109605, 1268120, 1331526, 1775368, 1902180, 2219210, 2663052, 3328815, 3804360, 4438420, 5326104, 6657630, 8876840, 13315260, 26630520]

約数ペア:

[(1, 26630520), (2, 13315260), (3, 8876840), (4, 6657630), (5, 5326104), (6, 4438420), (7, 3804360), (8, 3328815), (10, 2663052), (12, 2219210), (14, 1902180), (15, 1775368), (20, 1331526), (21, 1268120), (24, 1109605), (28, 951090), (30, 887684), (35, 760872), (40, 665763), (42, 634060), (49, 543480), (56, 475545), (60, 443842), (70, 380436), (84, 317030), (98, 271740), (105, 253624), (120, 221921), (140, 190218), (147, 181160), (168, 158515), (196, 135870), (210, 126812), (245, 108696), (280, 95109), (294, 90580), (343, 77640), (392, 67935), (420, 63406), (490, 54348), (588, 45290), (647, 41160), (686, 38820), (735, 36232), (840, 31703), (980, 27174), (1029, 25880), (1176, 22645), (1294, 20580), (1372, 19410), (1470, 18116), (1715, 15528), (1941, 13720), (1960, 13587), (2058, 12940), (2588, 10290), (2744, 9705), (2940, 9058), (3235, 8232), (3430, 7764), (3882, 6860), (4116, 6470), (4529, 5880), (5145, 5176)]