68717040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40903}}^1$

素因数の和:40926

約数の個数: 80

約数和(自身を含む): 243460608

約数和(自身を除く): 174743568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40903, 81806, 122709, 163612, 204515, 245418, 286321, 327224, 409030, 490836, 572642, 613545, 654448, 818060, 858963, 981672, 1145284, 1227090, 1431605, 1636120, 1717926, 1963344, 2290568, 2454180, 2863210, 3272240, 3435852, 4294815, 4581136, 4908360, 5726420, 6871704, 8589630, 9816720, 11452840, 13743408, 17179260, 22905680, 34358520, 68717040]

約数ペア:

[(1, 68717040), (2, 34358520), (3, 22905680), (4, 17179260), (5, 13743408), (6, 11452840), (7, 9816720), (8, 8589630), (10, 6871704), (12, 5726420), (14, 4908360), (15, 4581136), (16, 4294815), (20, 3435852), (21, 3272240), (24, 2863210), (28, 2454180), (30, 2290568), (35, 1963344), (40, 1717926), (42, 1636120), (48, 1431605), (56, 1227090), (60, 1145284), (70, 981672), (80, 858963), (84, 818060), (105, 654448), (112, 613545), (120, 572642), (140, 490836), (168, 409030), (210, 327224), (240, 286321), (280, 245418), (336, 204515), (420, 163612), (560, 122709), (840, 81806), (1680, 40903)]