16960720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 46568448

約数和(自身を除く): 29607728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 977, 1085, 1240, 1736, 1954, 2170, 2480, 3472, 3908, 4340, 4885, 6839, 7816, 8680, 9770, 13678, 15632, 17360, 19540, 27356, 30287, 34195, 39080, 54712, 60574, 68390, 78160, 109424, 121148, 136780, 151435, 212009, 242296, 273560, 302870, 424018, 484592, 547120, 605740, 848036, 1060045, 1211480, 1696072, 2120090, 2422960, 3392144, 4240180, 8480360, 16960720]

約数ペア:

[(1, 16960720), (2, 8480360), (4, 4240180), (5, 3392144), (7, 2422960), (8, 2120090), (10, 1696072), (14, 1211480), (16, 1060045), (20, 848036), (28, 605740), (31, 547120), (35, 484592), (40, 424018), (56, 302870), (62, 273560), (70, 242296), (80, 212009), (112, 151435), (124, 136780), (140, 121148), (155, 109424), (217, 78160), (248, 68390), (280, 60574), (310, 54712), (434, 39080), (496, 34195), (560, 30287), (620, 27356), (868, 19540), (977, 17360), (1085, 15632), (1240, 13678), (1736, 9770), (1954, 8680), (2170, 7816), (2480, 6839), (3472, 4885), (3908, 4340)]