158574920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18269}}^1$

素因数の和:18318

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 262365880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 18269, 36538, 73076, 91345, 127883, 146152, 182690, 255766, 365380, 511532, 566339, 639415, 730760, 1023064, 1132678, 1278830, 2265356, 2557660, 2831695, 3964373, 4530712, 5115320, 5663390, 7928746, 11326780, 15857492, 19821865, 22653560, 31714984, 39643730, 79287460, 158574920]

約数ペア:

[(1, 158574920), (2, 79287460), (4, 39643730), (5, 31714984), (7, 22653560), (8, 19821865), (10, 15857492), (14, 11326780), (20, 7928746), (28, 5663390), (31, 5115320), (35, 4530712), (40, 3964373), (56, 2831695), (62, 2557660), (70, 2265356), (124, 1278830), (140, 1132678), (155, 1023064), (217, 730760), (248, 639415), (280, 566339), (310, 511532), (434, 365380), (620, 255766), (868, 182690), (1085, 146152), (1240, 127883), (1736, 91345), (2170, 73076), (4340, 36538), (8680, 18269)]