87381560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10067}}^1$

素因数の和:10116

約数の個数: 64

約数和(自身を含む): 231966720

約数和(自身を除く): 144585160

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, 10067, 20134, 40268, 50335, 70469, 80536, 100670, 140938, 201340, 281876, 312077, 352345, 402680, 563752, 624154, 704690, 1248308, 1409380, 1560385, 2184539, 2496616, 2818760, 3120770, 4369078, 6241540, 8738156, 10922695, 12483080, 17476312, 21845390, 43690780, 87381560]

約数ペア:

[(1, 87381560), (2, 43690780), (4, 21845390), (5, 17476312), (7, 12483080), (8, 10922695), (10, 8738156), (14, 6241540), (20, 4369078), (28, 3120770), (31, 2818760), (35, 2496616), (40, 2184539), (56, 1560385), (62, 1409380), (70, 1248308), (124, 704690), (140, 624154), (155, 563752), (217, 402680), (248, 352345), (280, 312077), (310, 281876), (434, 201340), (620, 140938), (868, 100670), (1085, 80536), (1240, 70469), (1736, 50335), (2170, 40268), (4340, 20134), (8680, 10067)]