16279960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 39859200

約数和(自身を除く): 23579240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 691, 760, 1178, 1240, 1382, 2356, 2764, 2945, 3455, 4712, 5528, 5890, 6910, 11780, 13129, 13820, 21421, 23560, 26258, 27640, 42842, 52516, 65645, 85684, 105032, 107105, 131290, 171368, 214210, 262580, 406999, 428420, 525160, 813998, 856840, 1627996, 2034995, 3255992, 4069990, 8139980, 16279960]

約数ペア:

[(1, 16279960), (2, 8139980), (4, 4069990), (5, 3255992), (8, 2034995), (10, 1627996), (19, 856840), (20, 813998), (31, 525160), (38, 428420), (40, 406999), (62, 262580), (76, 214210), (95, 171368), (124, 131290), (152, 107105), (155, 105032), (190, 85684), (248, 65645), (310, 52516), (380, 42842), (589, 27640), (620, 26258), (691, 23560), (760, 21421), (1178, 13820), (1240, 13129), (1382, 11780), (2356, 6910), (2764, 5890), (2945, 5528), (3455, 4712)]