268701720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{319883}}^1$

素因数の和:319904

約数の個数: 64

約数和(自身を含む): 921265920

約数和(自身を除く): 652564200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 319883, 639766, 959649, 1279532, 1599415, 1919298, 2239181, 2559064, 3198830, 3838596, 4478362, 4798245, 6397660, 6717543, 7677192, 8956724, 9596490, 11195905, 12795320, 13435086, 17913448, 19192980, 22391810, 26870172, 33587715, 38385960, 44783620, 53740344, 67175430, 89567240, 134350860, 268701720]

約数ペア:

[(1, 268701720), (2, 134350860), (3, 89567240), (4, 67175430), (5, 53740344), (6, 44783620), (7, 38385960), (8, 33587715), (10, 26870172), (12, 22391810), (14, 19192980), (15, 17913448), (20, 13435086), (21, 12795320), (24, 11195905), (28, 9596490), (30, 8956724), (35, 7677192), (40, 6717543), (42, 6397660), (56, 4798245), (60, 4478362), (70, 3838596), (84, 3198830), (105, 2559064), (120, 2239181), (140, 1919298), (168, 1599415), (210, 1279532), (280, 959649), (420, 639766), (840, 319883)]