84145740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28621}}^1$

素因数の和:28647

約数の個数: 72

約数和(自身を含む): 274084272

約数和(自身を除く): 189938532

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, 28621, 57242, 85863, 114484, 143105, 171726, 200347, 286210, 343452, 400694, 429315, 572420, 601041, 801388, 858630, 1001735, 1202082, 1402429, 1717260, 2003470, 2404164, 2804858, 3005205, 4006940, 4207287, 5609716, 6010410, 7012145, 8414574, 12020820, 14024290, 16829148, 21036435, 28048580, 42072870, 84145740]

約数ペア:

[(1, 84145740), (2, 42072870), (3, 28048580), (4, 21036435), (5, 16829148), (6, 14024290), (7, 12020820), (10, 8414574), (12, 7012145), (14, 6010410), (15, 5609716), (20, 4207287), (21, 4006940), (28, 3005205), (30, 2804858), (35, 2404164), (42, 2003470), (49, 1717260), (60, 1402429), (70, 1202082), (84, 1001735), (98, 858630), (105, 801388), (140, 601041), (147, 572420), (196, 429315), (210, 400694), (245, 343452), (294, 286210), (420, 200347), (490, 171726), (588, 143105), (735, 114484), (980, 85863), (1470, 57242), (2940, 28621)]