18691680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{5563}}^1$

素因数の和:5588

約数の個数: 96

約数和(自身を含む): 67302144

約数和(自身を除く): 48610464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 5563, 11126, 16689, 22252, 27815, 33378, 38941, 44504, 55630, 66756, 77882, 83445, 89008, 111260, 116823, 133512, 155764, 166890, 178016, 194705, 222520, 233646, 267024, 311528, 333780, 389410, 445040, 467292, 534048, 584115, 623056, 667560, 778820, 890080, 934584, 1168230, 1246112, 1335120, 1557640, 1869168, 2336460, 2670240, 3115280, 3738336, 4672920, 6230560, 9345840, 18691680]

約数ペア:

[(1, 18691680), (2, 9345840), (3, 6230560), (4, 4672920), (5, 3738336), (6, 3115280), (7, 2670240), (8, 2336460), (10, 1869168), (12, 1557640), (14, 1335120), (15, 1246112), (16, 1168230), (20, 934584), (21, 890080), (24, 778820), (28, 667560), (30, 623056), (32, 584115), (35, 534048), (40, 467292), (42, 445040), (48, 389410), (56, 333780), (60, 311528), (70, 267024), (80, 233646), (84, 222520), (96, 194705), (105, 178016), (112, 166890), (120, 155764), (140, 133512), (160, 116823), (168, 111260), (210, 89008), (224, 83445), (240, 77882), (280, 66756), (336, 55630), (420, 44504), (480, 38941), (560, 33378), (672, 27815), (840, 22252), (1120, 16689), (1680, 11126), (3360, 5563)]