127898940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163973}}^1$

素因数の和:163998

約数の個数: 48

約数和(自身を含む): 385666848

約数和(自身を除く): 257767908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 163973, 327946, 491919, 655892, 819865, 983838, 1639730, 1967676, 2131649, 2459595, 3279460, 4263298, 4919190, 6394947, 8526596, 9838380, 10658245, 12789894, 21316490, 25579788, 31974735, 42632980, 63949470, 127898940]

約数ペア:

[(1, 127898940), (2, 63949470), (3, 42632980), (4, 31974735), (5, 25579788), (6, 21316490), (10, 12789894), (12, 10658245), (13, 9838380), (15, 8526596), (20, 6394947), (26, 4919190), (30, 4263298), (39, 3279460), (52, 2459595), (60, 2131649), (65, 1967676), (78, 1639730), (130, 983838), (156, 819865), (195, 655892), (260, 491919), (390, 327946), (780, 163973)]