127171980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54347}}^1$

素因数の和:54375

約数の個数: 72

約数和(自身を含む): 415436112

約数和(自身を除く): 288264132

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, 54347, 108694, 163041, 217388, 271735, 326082, 489123, 543470, 652164, 706511, 815205, 978246, 1086940, 1413022, 1630410, 1956492, 2119533, 2445615, 2826044, 3260820, 3532555, 4239066, 4891230, 6358599, 7065110, 8478132, 9782460, 10597665, 12717198, 14130220, 21195330, 25434396, 31792995, 42390660, 63585990, 127171980]

約数ペア:

[(1, 127171980), (2, 63585990), (3, 42390660), (4, 31792995), (5, 25434396), (6, 21195330), (9, 14130220), (10, 12717198), (12, 10597665), (13, 9782460), (15, 8478132), (18, 7065110), (20, 6358599), (26, 4891230), (30, 4239066), (36, 3532555), (39, 3260820), (45, 2826044), (52, 2445615), (60, 2119533), (65, 1956492), (78, 1630410), (90, 1413022), (117, 1086940), (130, 978246), (156, 815205), (180, 706511), (195, 652164), (234, 543470), (260, 489123), (390, 326082), (468, 271735), (585, 217388), (780, 163041), (1170, 108694), (2340, 54347)]