8887140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 27289080

約数和(自身を除く): 18401940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 509, 582, 873, 970, 1018, 1164, 1455, 1527, 1746, 1940, 2036, 2545, 2910, 3054, 3492, 4365, 4581, 5090, 5820, 6108, 7635, 8730, 9162, 10180, 15270, 17460, 18324, 22905, 30540, 45810, 49373, 91620, 98746, 148119, 197492, 246865, 296238, 444357, 493730, 592476, 740595, 888714, 987460, 1481190, 1777428, 2221785, 2962380, 4443570, 8887140]

約数ペア:

[(1, 8887140), (2, 4443570), (3, 2962380), (4, 2221785), (5, 1777428), (6, 1481190), (9, 987460), (10, 888714), (12, 740595), (15, 592476), (18, 493730), (20, 444357), (30, 296238), (36, 246865), (45, 197492), (60, 148119), (90, 98746), (97, 91620), (180, 49373), (194, 45810), (291, 30540), (388, 22905), (485, 18324), (509, 17460), (582, 15270), (873, 10180), (970, 9162), (1018, 8730), (1164, 7635), (1455, 6108), (1527, 5820), (1746, 5090), (1940, 4581), (2036, 4365), (2545, 3492), (2910, 3054)]