70879140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{877}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 215724600

約数和(自身を除く): 144845460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 877, 898, 1347, 1754, 1796, 2245, 2631, 2694, 3508, 4041, 4385, 4490, 5262, 5388, 6735, 7893, 8082, 8770, 8980, 10524, 13155, 13470, 15786, 16164, 17540, 20205, 26310, 26940, 31572, 39465, 40410, 52620, 78930, 80820, 157860, 393773, 787546, 1181319, 1575092, 1968865, 2362638, 3543957, 3937730, 4725276, 5906595, 7087914, 7875460, 11813190, 14175828, 17719785, 23626380, 35439570, 70879140]

約数ペア:

[(1, 70879140), (2, 35439570), (3, 23626380), (4, 17719785), (5, 14175828), (6, 11813190), (9, 7875460), (10, 7087914), (12, 5906595), (15, 4725276), (18, 3937730), (20, 3543957), (30, 2362638), (36, 1968865), (45, 1575092), (60, 1181319), (90, 787546), (180, 393773), (449, 157860), (877, 80820), (898, 78930), (1347, 52620), (1754, 40410), (1796, 39465), (2245, 31572), (2631, 26940), (2694, 26310), (3508, 20205), (4041, 17540), (4385, 16164), (4490, 15786), (5262, 13470), (5388, 13155), (6735, 10524), (7893, 8980), (8082, 8770)]