51893190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 140382720

約数和(自身を除く): 88489530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 2707, 3195, 3834, 5414, 6390, 8121, 9585, 13535, 16242, 19170, 24363, 27070, 40605, 48726, 73089, 81210, 121815, 146178, 192197, 243630, 365445, 384394, 576591, 730890, 960985, 1153182, 1729773, 1921970, 2882955, 3459546, 5189319, 5765910, 8648865, 10378638, 17297730, 25946595, 51893190]

約数ペア:

[(1, 51893190), (2, 25946595), (3, 17297730), (5, 10378638), (6, 8648865), (9, 5765910), (10, 5189319), (15, 3459546), (18, 2882955), (27, 1921970), (30, 1729773), (45, 1153182), (54, 960985), (71, 730890), (90, 576591), (135, 384394), (142, 365445), (213, 243630), (270, 192197), (355, 146178), (426, 121815), (639, 81210), (710, 73089), (1065, 48726), (1278, 40605), (1917, 27070), (2130, 24363), (2707, 19170), (3195, 16242), (3834, 13535), (5414, 9585), (6390, 8121)]