1555681730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 3018060000

約数和(自身を除く): 1462378270

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 229, 445, 449, 458, 890, 898, 1145, 1513, 2245, 2290, 3026, 3893, 4490, 7565, 7633, 7786, 15130, 15266, 19465, 20381, 38165, 38930, 39961, 40762, 76330, 79922, 101905, 102821, 199805, 203810, 205642, 346477, 399610, 514105, 679337, 692954, 1028210, 1358674, 1732385, 1747957, 3396685, 3464770, 3495914, 6793370, 8739785, 9151069, 17479570, 18302138, 45755345, 91510690, 155568173, 311136346, 777840865, 1555681730]

約数ペア:

[(1, 1555681730), (2, 777840865), (5, 311136346), (10, 155568173), (17, 91510690), (34, 45755345), (85, 18302138), (89, 17479570), (170, 9151069), (178, 8739785), (229, 6793370), (445, 3495914), (449, 3464770), (458, 3396685), (890, 1747957), (898, 1732385), (1145, 1358674), (1513, 1028210), (2245, 692954), (2290, 679337), (3026, 514105), (3893, 399610), (4490, 346477), (7565, 205642), (7633, 203810), (7786, 199805), (15130, 102821), (15266, 101905), (19465, 79922), (20381, 76330), (38165, 40762), (38930, 39961)]