76420680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{90977}}^1$

素因数の和:90998

約数の個数: 64

約数和(自身を含む): 262016640

約数和(自身を除く): 185595960

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, 90977, 181954, 272931, 363908, 454885, 545862, 636839, 727816, 909770, 1091724, 1273678, 1364655, 1819540, 1910517, 2183448, 2547356, 2729310, 3184195, 3639080, 3821034, 5094712, 5458620, 6368390, 7642068, 9552585, 10917240, 12736780, 15284136, 19105170, 25473560, 38210340, 76420680]

約数ペア:

[(1, 76420680), (2, 38210340), (3, 25473560), (4, 19105170), (5, 15284136), (6, 12736780), (7, 10917240), (8, 9552585), (10, 7642068), (12, 6368390), (14, 5458620), (15, 5094712), (20, 3821034), (21, 3639080), (24, 3184195), (28, 2729310), (30, 2547356), (35, 2183448), (40, 1910517), (42, 1819540), (56, 1364655), (60, 1273678), (70, 1091724), (84, 909770), (105, 727816), (120, 636839), (140, 545862), (168, 454885), (210, 363908), (280, 272931), (420, 181954), (840, 90977)]