2178719940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{222773}}^1$

素因数の和:222948

約数の個数: 48

約数和(自身を含む): 6137869248

約数和(自身を除く): 3959149308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 222773, 445546, 668319, 891092, 1113865, 1336638, 2227730, 2673276, 3341595, 4455460, 6683190, 13366380, 36311999, 72623998, 108935997, 145247996, 181559995, 217871994, 363119990, 435743988, 544679985, 726239980, 1089359970, 2178719940]

約数ペア:

[(1, 2178719940), (2, 1089359970), (3, 726239980), (4, 544679985), (5, 435743988), (6, 363119990), (10, 217871994), (12, 181559995), (15, 145247996), (20, 108935997), (30, 72623998), (60, 36311999), (163, 13366380), (326, 6683190), (489, 4455460), (652, 3341595), (815, 2673276), (978, 2227730), (1630, 1336638), (1956, 1113865), (2445, 891092), (3260, 668319), (4890, 445546), (9780, 222773)]