820936317420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4481}}^1\times {\mathrm{1017799}}^1$

素因数の和:1022295

約数の個数: 72

約数和(自身を含む): 2490731661600

約数和(自身を除く): 1669795344180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4481, 8962, 13443, 17924, 22405, 26886, 40329, 44810, 53772, 67215, 80658, 89620, 134430, 161316, 201645, 268860, 403290, 806580, 1017799, 2035598, 3053397, 4071196, 5088995, 6106794, 9160191, 10177990, 12213588, 15266985, 18320382, 20355980, 30533970, 36640764, 45800955, 61067940, 91601910, 183203820, 4560757319, 9121514638, 13682271957, 18243029276, 22803786595, 27364543914, 41046815871, 45607573190, 54729087828, 68411359785, 82093631742, 91215146380, 136822719570, 164187263484, 205234079355, 273645439140, 410468158710, 820936317420]

約数ペア:

[(1, 820936317420), (2, 410468158710), (3, 273645439140), (4, 205234079355), (5, 164187263484), (6, 136822719570), (9, 91215146380), (10, 82093631742), (12, 68411359785), (15, 54729087828), (18, 45607573190), (20, 41046815871), (30, 27364543914), (36, 22803786595), (45, 18243029276), (60, 13682271957), (90, 9121514638), (180, 4560757319), (4481, 183203820), (8962, 91601910), (13443, 61067940), (17924, 45800955), (22405, 36640764), (26886, 30533970), (40329, 20355980), (44810, 18320382), (53772, 15266985), (67215, 12213588), (80658, 10177990), (89620, 9160191), (134430, 6106794), (161316, 5088995), (201645, 4071196), (268860, 3053397), (403290, 2035598), (806580, 1017799)]