61356540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 197374464

約数和(自身を除く): 136017924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 421, 694, 842, 1041, 1263, 1388, 1684, 1735, 2082, 2105, 2429, 2526, 2947, 3470, 4164, 4210, 4858, 5052, 5205, 5894, 6315, 6940, 7287, 8420, 8841, 9716, 10410, 11788, 12145, 12630, 14574, 14735, 17682, 20820, 24290, 25260, 29148, 29470, 35364, 36435, 44205, 48580, 58940, 72870, 88410, 145740, 146087, 176820, 292174, 438261, 584348, 730435, 876522, 1022609, 1460870, 1753044, 2045218, 2191305, 2921740, 3067827, 4090436, 4382610, 5113045, 6135654, 8765220, 10226090, 12271308, 15339135, 20452180, 30678270, 61356540]

約数ペア:

[(1, 61356540), (2, 30678270), (3, 20452180), (4, 15339135), (5, 12271308), (6, 10226090), (7, 8765220), (10, 6135654), (12, 5113045), (14, 4382610), (15, 4090436), (20, 3067827), (21, 2921740), (28, 2191305), (30, 2045218), (35, 1753044), (42, 1460870), (60, 1022609), (70, 876522), (84, 730435), (105, 584348), (140, 438261), (210, 292174), (347, 176820), (420, 146087), (421, 145740), (694, 88410), (842, 72870), (1041, 58940), (1263, 48580), (1388, 44205), (1684, 36435), (1735, 35364), (2082, 29470), (2105, 29148), (2429, 25260), (2526, 24290), (2947, 20820), (3470, 17682), (4164, 14735), (4210, 14574), (4858, 12630), (5052, 12145), (5205, 11788), (5894, 10410), (6315, 9716), (6940, 8841), (7287, 8420)]