131477640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{156521}}^1$

素因数の和:156542

約数の個数: 64

約数和(自身を含む): 450783360

約数和(自身を除く): 319305720

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, 156521, 313042, 469563, 626084, 782605, 939126, 1095647, 1252168, 1565210, 1878252, 2191294, 2347815, 3130420, 3286941, 3756504, 4382588, 4695630, 5478235, 6260840, 6573882, 8765176, 9391260, 10956470, 13147764, 16434705, 18782520, 21912940, 26295528, 32869410, 43825880, 65738820, 131477640]

約数ペア:

[(1, 131477640), (2, 65738820), (3, 43825880), (4, 32869410), (5, 26295528), (6, 21912940), (7, 18782520), (8, 16434705), (10, 13147764), (12, 10956470), (14, 9391260), (15, 8765176), (20, 6573882), (21, 6260840), (24, 5478235), (28, 4695630), (30, 4382588), (35, 3756504), (40, 3286941), (42, 3130420), (56, 2347815), (60, 2191294), (70, 1878252), (84, 1565210), (105, 1252168), (120, 1095647), (140, 939126), (168, 782605), (210, 626084), (280, 469563), (420, 313042), (840, 156521)]