15691080920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{259271}}^1$

素因数の和:259388

約数の個数: 64

約数和(自身を含む): 37801857600

約数和(自身を除く): 22110776680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1513, 1780, 3026, 3560, 6052, 7565, 12104, 15130, 30260, 60520, 259271, 518542, 1037084, 1296355, 2074168, 2592710, 4407607, 5185420, 8815214, 10370840, 17630428, 22038035, 23075119, 35260856, 44076070, 46150238, 88152140, 92300476, 115375595, 176304280, 184600952, 230751190, 392277023, 461502380, 784554046, 923004760, 1569108092, 1961385115, 3138216184, 3922770230, 7845540460, 15691080920]

約数ペア:

[(1, 15691080920), (2, 7845540460), (4, 3922770230), (5, 3138216184), (8, 1961385115), (10, 1569108092), (17, 923004760), (20, 784554046), (34, 461502380), (40, 392277023), (68, 230751190), (85, 184600952), (89, 176304280), (136, 115375595), (170, 92300476), (178, 88152140), (340, 46150238), (356, 44076070), (445, 35260856), (680, 23075119), (712, 22038035), (890, 17630428), (1513, 10370840), (1780, 8815214), (3026, 5185420), (3560, 4407607), (6052, 2592710), (7565, 2074168), (12104, 1296355), (15130, 1037084), (30260, 518542), (60520, 259271)]