71386140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{24281}}^1$

素因数の和:24307

約数の個数: 72

約数和(自身を含む): 232524432

約数和(自身を除く): 161138292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 24281, 48562, 72843, 97124, 121405, 145686, 169967, 242810, 291372, 339934, 364215, 485620, 509901, 679868, 728430, 849835, 1019802, 1189769, 1456860, 1699670, 2039604, 2379538, 2549505, 3399340, 3569307, 4759076, 5099010, 5948845, 7138614, 10198020, 11897690, 14277228, 17846535, 23795380, 35693070, 71386140]

約数ペア:

[(1, 71386140), (2, 35693070), (3, 23795380), (4, 17846535), (5, 14277228), (6, 11897690), (7, 10198020), (10, 7138614), (12, 5948845), (14, 5099010), (15, 4759076), (20, 3569307), (21, 3399340), (28, 2549505), (30, 2379538), (35, 2039604), (42, 1699670), (49, 1456860), (60, 1189769), (70, 1019802), (84, 849835), (98, 728430), (105, 679868), (140, 509901), (147, 485620), (196, 364215), (210, 339934), (245, 291372), (294, 242810), (420, 169967), (490, 145686), (588, 121405), (735, 97124), (980, 72843), (1470, 48562), (2940, 24281)]