108345720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{128983}}^1$

素因数の和:129004

約数の個数: 64

約数和(自身を含む): 371473920

約数和(自身を除く): 263128200

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, 128983, 257966, 386949, 515932, 644915, 773898, 902881, 1031864, 1289830, 1547796, 1805762, 1934745, 2579660, 2708643, 3095592, 3611524, 3869490, 4514405, 5159320, 5417286, 7223048, 7738980, 9028810, 10834572, 13543215, 15477960, 18057620, 21669144, 27086430, 36115240, 54172860, 108345720]

約数ペア:

[(1, 108345720), (2, 54172860), (3, 36115240), (4, 27086430), (5, 21669144), (6, 18057620), (7, 15477960), (8, 13543215), (10, 10834572), (12, 9028810), (14, 7738980), (15, 7223048), (20, 5417286), (21, 5159320), (24, 4514405), (28, 3869490), (30, 3611524), (35, 3095592), (40, 2708643), (42, 2579660), (56, 1934745), (60, 1805762), (70, 1547796), (84, 1289830), (105, 1031864), (120, 902881), (140, 773898), (168, 644915), (210, 515932), (280, 386949), (420, 257966), (840, 128983)]