428103540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{5297}}^1$

素因数の和:5761

約数の個数: 72

約数和(自身を含む): 1301718600

約数和(自身を除く): 873615060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5297, 5388, 6735, 8082, 8980, 10594, 13470, 15891, 16164, 20205, 21188, 26485, 26940, 31782, 40410, 47673, 52970, 63564, 79455, 80820, 95346, 105940, 158910, 190692, 238365, 317820, 476730, 953460, 2378353, 4756706, 7135059, 9513412, 11891765, 14270118, 21405177, 23783530, 28540236, 35675295, 42810354, 47567060, 71350590, 85620708, 107025885, 142701180, 214051770, 428103540]

約数ペア:

[(1, 428103540), (2, 214051770), (3, 142701180), (4, 107025885), (5, 85620708), (6, 71350590), (9, 47567060), (10, 42810354), (12, 35675295), (15, 28540236), (18, 23783530), (20, 21405177), (30, 14270118), (36, 11891765), (45, 9513412), (60, 7135059), (90, 4756706), (180, 2378353), (449, 953460), (898, 476730), (1347, 317820), (1796, 238365), (2245, 190692), (2694, 158910), (4041, 105940), (4490, 95346), (5297, 80820), (5388, 79455), (6735, 63564), (8082, 52970), (8980, 47673), (10594, 40410), (13470, 31782), (15891, 26940), (16164, 26485), (20205, 21188)]