51358860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 180

約数和(自身を含む): 187708752

約数和(自身を除く): 136349892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 647, 735, 756, 810, 882, 945, 980, 1134, 1260, 1294, 1323, 1470, 1620, 1764, 1890, 1941, 2205, 2268, 2588, 2646, 2835, 2940, 3235, 3780, 3882, 3969, 4410, 4529, 5292, 5670, 5823, 6470, 6615, 7764, 7938, 8820, 9058, 9705, 11340, 11646, 12940, 13230, 13587, 15876, 17469, 18116, 19410, 19845, 22645, 23292, 26460, 27174, 29115, 31703, 34938, 38820, 39690, 40761, 45290, 52407, 54348, 58230, 63406, 67935, 69876, 79380, 81522, 87345, 90580, 95109, 104814, 116460, 122283, 126812, 135870, 158515, 163044, 174690, 190218, 203805, 209628, 244566, 262035, 271740, 285327, 317030, 349380, 366849, 380436, 407610, 475545, 489132, 524070, 570654, 611415, 634060, 733698, 815220, 855981, 951090, 1048140, 1141308, 1222830, 1426635, 1467396, 1711962, 1834245, 1902180, 2445660, 2567943, 2853270, 3423924, 3668490, 4279905, 5135886, 5706540, 7336980, 8559810, 10271772, 12839715, 17119620, 25679430, 51358860]

約数ペア:

[(1, 51358860), (2, 25679430), (3, 17119620), (4, 12839715), (5, 10271772), (6, 8559810), (7, 7336980), (9, 5706540), (10, 5135886), (12, 4279905), (14, 3668490), (15, 3423924), (18, 2853270), (20, 2567943), (21, 2445660), (27, 1902180), (28, 1834245), (30, 1711962), (35, 1467396), (36, 1426635), (42, 1222830), (45, 1141308), (49, 1048140), (54, 951090), (60, 855981), (63, 815220), (70, 733698), (81, 634060), (84, 611415), (90, 570654), (98, 524070), (105, 489132), (108, 475545), (126, 407610), (135, 380436), (140, 366849), (147, 349380), (162, 317030), (180, 285327), (189, 271740), (196, 262035), (210, 244566), (245, 209628), (252, 203805), (270, 190218), (294, 174690), (315, 163044), (324, 158515), (378, 135870), (405, 126812), (420, 122283), (441, 116460), (490, 104814), (540, 95109), (567, 90580), (588, 87345), (630, 81522), (647, 79380), (735, 69876), (756, 67935), (810, 63406), (882, 58230), (945, 54348), (980, 52407), (1134, 45290), (1260, 40761), (1294, 39690), (1323, 38820), (1470, 34938), (1620, 31703), (1764, 29115), (1890, 27174), (1941, 26460), (2205, 23292), (2268, 22645), (2588, 19845), (2646, 19410), (2835, 18116), (2940, 17469), (3235, 15876), (3780, 13587), (3882, 13230), (3969, 12940), (4410, 11646), (4529, 11340), (5292, 9705), (5670, 9058), (5823, 8820), (6470, 7938), (6615, 7764)]