220728456

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{78607}}^1$

素因数の和:78635

約数の個数: 64

約数和(自身を含む): 660307200

約数和(自身を除く): 439578744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 78607, 157214, 235821, 314428, 471642, 628856, 707463, 943284, 1021891, 1414926, 1886568, 2043782, 2122389, 2829852, 3065673, 4087564, 4244778, 5659704, 6131346, 8175128, 8489556, 9197019, 12262692, 16979112, 18394038, 24525384, 27591057, 36788076, 55182114, 73576152, 110364228, 220728456]

約数ペア:

[(1, 220728456), (2, 110364228), (3, 73576152), (4, 55182114), (6, 36788076), (8, 27591057), (9, 24525384), (12, 18394038), (13, 16979112), (18, 12262692), (24, 9197019), (26, 8489556), (27, 8175128), (36, 6131346), (39, 5659704), (52, 4244778), (54, 4087564), (72, 3065673), (78, 2829852), (104, 2122389), (108, 2043782), (117, 1886568), (156, 1414926), (216, 1021891), (234, 943284), (312, 707463), (351, 628856), (468, 471642), (702, 314428), (936, 235821), (1404, 157214), (2808, 78607)]