204078780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12739}}^1$

素因数の和:12843

約数の個数: 72

約数和(自身を含む): 626043600

約数和(自身を除く): 421964820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 12739, 16020, 25478, 38217, 50956, 63695, 76434, 114651, 127390, 152868, 191085, 229302, 254780, 382170, 458604, 573255, 764340, 1133771, 1146510, 2267542, 2293020, 3401313, 4535084, 5668855, 6802626, 10203939, 11337710, 13605252, 17006565, 20407878, 22675420, 34013130, 40815756, 51019695, 68026260, 102039390, 204078780]

約数ペア:

[(1, 204078780), (2, 102039390), (3, 68026260), (4, 51019695), (5, 40815756), (6, 34013130), (9, 22675420), (10, 20407878), (12, 17006565), (15, 13605252), (18, 11337710), (20, 10203939), (30, 6802626), (36, 5668855), (45, 4535084), (60, 3401313), (89, 2293020), (90, 2267542), (178, 1146510), (180, 1133771), (267, 764340), (356, 573255), (445, 458604), (534, 382170), (801, 254780), (890, 229302), (1068, 191085), (1335, 152868), (1602, 127390), (1780, 114651), (2670, 76434), (3204, 63695), (4005, 50956), (5340, 38217), (8010, 25478), (12739, 16020)]