640927476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{110581}}^1$

素因数の和:110621

約数の個数: 72

約数和(自身を含む): 1932088704

約数和(自身を除く): 1291161228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5796, 110581, 221162, 331743, 442324, 663486, 774067, 995229, 1326972, 1548134, 1990458, 2322201, 2543363, 3096268, 3980916, 4644402, 5086726, 6966603, 7630089, 9288804, 10173452, 13933206, 15260178, 17803541, 22890267, 27866412, 30520356, 35607082, 45780534, 53410623, 71214164, 91561068, 106821246, 160231869, 213642492, 320463738, 640927476]

約数ペア:

[(1, 640927476), (2, 320463738), (3, 213642492), (4, 160231869), (6, 106821246), (7, 91561068), (9, 71214164), (12, 53410623), (14, 45780534), (18, 35607082), (21, 30520356), (23, 27866412), (28, 22890267), (36, 17803541), (42, 15260178), (46, 13933206), (63, 10173452), (69, 9288804), (84, 7630089), (92, 6966603), (126, 5086726), (138, 4644402), (161, 3980916), (207, 3096268), (252, 2543363), (276, 2322201), (322, 1990458), (414, 1548134), (483, 1326972), (644, 995229), (828, 774067), (966, 663486), (1449, 442324), (1932, 331743), (2898, 221162), (5796, 110581)]