18460680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21977}}^1$

素因数の和:21998

約数の個数: 64

約数和(自身を含む): 63296640

約数和(自身を除く): 44835960

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, 21977, 43954, 65931, 87908, 109885, 131862, 153839, 175816, 219770, 263724, 307678, 329655, 439540, 461517, 527448, 615356, 659310, 769195, 879080, 923034, 1230712, 1318620, 1538390, 1846068, 2307585, 2637240, 3076780, 3692136, 4615170, 6153560, 9230340, 18460680]

約数ペア:

[(1, 18460680), (2, 9230340), (3, 6153560), (4, 4615170), (5, 3692136), (6, 3076780), (7, 2637240), (8, 2307585), (10, 1846068), (12, 1538390), (14, 1318620), (15, 1230712), (20, 923034), (21, 879080), (24, 769195), (28, 659310), (30, 615356), (35, 527448), (40, 461517), (42, 439540), (56, 329655), (60, 307678), (70, 263724), (84, 219770), (105, 175816), (120, 153839), (140, 131862), (168, 109885), (210, 87908), (280, 65931), (420, 43954), (840, 21977)]