978972660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{12113}}^1$

素因数の和:12577

約数の個数: 72

約数和(自身を含む): 2976409800

約数和(自身を除く): 1997437140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8980, 12113, 13470, 16164, 20205, 24226, 26940, 36339, 40410, 48452, 60565, 72678, 80820, 109017, 121130, 145356, 181695, 218034, 242260, 363390, 436068, 545085, 726780, 1090170, 2180340, 5438737, 10877474, 16316211, 21754948, 27193685, 32632422, 48948633, 54387370, 65264844, 81581055, 97897266, 108774740, 163162110, 195794532, 244743165, 326324220, 489486330, 978972660]

約数ペア:

[(1, 978972660), (2, 489486330), (3, 326324220), (4, 244743165), (5, 195794532), (6, 163162110), (9, 108774740), (10, 97897266), (12, 81581055), (15, 65264844), (18, 54387370), (20, 48948633), (30, 32632422), (36, 27193685), (45, 21754948), (60, 16316211), (90, 10877474), (180, 5438737), (449, 2180340), (898, 1090170), (1347, 726780), (1796, 545085), (2245, 436068), (2694, 363390), (4041, 242260), (4490, 218034), (5388, 181695), (6735, 145356), (8082, 121130), (8980, 109017), (12113, 80820), (13470, 72678), (16164, 60565), (20205, 48452), (24226, 40410), (26940, 36339)]