640922688

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{158959}}^1$

素因数の和:158984

約数の個数: 84

約数和(自身を含む): 2099543680

約数和(自身を除く): 1458620992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 158959, 317918, 476877, 635836, 953754, 1112713, 1271672, 1430631, 1907508, 2225426, 2543344, 2861262, 3338139, 3815016, 4450852, 5086688, 5722524, 6676278, 7630032, 8901704, 10014417, 10173376, 11445048, 13352556, 15260064, 17803408, 20028834, 22890096, 26705112, 30520128, 35606816, 40057668, 45780192, 53410224, 71213632, 80115336, 91560384, 106820448, 160230672, 213640896, 320461344, 640922688]

約数ペア:

[(1, 640922688), (2, 320461344), (3, 213640896), (4, 160230672), (6, 106820448), (7, 91560384), (8, 80115336), (9, 71213632), (12, 53410224), (14, 45780192), (16, 40057668), (18, 35606816), (21, 30520128), (24, 26705112), (28, 22890096), (32, 20028834), (36, 17803408), (42, 15260064), (48, 13352556), (56, 11445048), (63, 10173376), (64, 10014417), (72, 8901704), (84, 7630032), (96, 6676278), (112, 5722524), (126, 5086688), (144, 4450852), (168, 3815016), (192, 3338139), (224, 2861262), (252, 2543344), (288, 2225426), (336, 1907508), (448, 1430631), (504, 1271672), (576, 1112713), (672, 953754), (1008, 635836), (1344, 476877), (2016, 317918), (4032, 158959)]