47611980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20347}}^1$

素因数の和:20375

約数の個数: 72

約数和(自身を含む): 155540112

約数和(自身を除く): 107928132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 20347, 40694, 61041, 81388, 101735, 122082, 183123, 203470, 244164, 264511, 305205, 366246, 406940, 529022, 610410, 732492, 793533, 915615, 1058044, 1220820, 1322555, 1587066, 1831230, 2380599, 2645110, 3174132, 3662460, 3967665, 4761198, 5290220, 7935330, 9522396, 11902995, 15870660, 23805990, 47611980]

約数ペア:

[(1, 47611980), (2, 23805990), (3, 15870660), (4, 11902995), (5, 9522396), (6, 7935330), (9, 5290220), (10, 4761198), (12, 3967665), (13, 3662460), (15, 3174132), (18, 2645110), (20, 2380599), (26, 1831230), (30, 1587066), (36, 1322555), (39, 1220820), (45, 1058044), (52, 915615), (60, 793533), (65, 732492), (78, 610410), (90, 529022), (117, 406940), (130, 366246), (156, 305205), (180, 264511), (195, 244164), (234, 203470), (260, 183123), (390, 122082), (468, 101735), (585, 81388), (780, 61041), (1170, 40694), (2340, 20347)]