280998480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{167261}}^1$

素因数の和:167284

約数の個数: 80

約数和(自身を含む): 995543424

約数和(自身を除く): 714544944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 167261, 334522, 501783, 669044, 836305, 1003566, 1170827, 1338088, 1672610, 2007132, 2341654, 2508915, 2676176, 3345220, 3512481, 4014264, 4683308, 5017830, 5854135, 6690440, 7024962, 8028528, 9366616, 10035660, 11708270, 13380880, 14049924, 17562405, 18733232, 20071320, 23416540, 28099848, 35124810, 40142640, 46833080, 56199696, 70249620, 93666160, 140499240, 280998480]

約数ペア:

[(1, 280998480), (2, 140499240), (3, 93666160), (4, 70249620), (5, 56199696), (6, 46833080), (7, 40142640), (8, 35124810), (10, 28099848), (12, 23416540), (14, 20071320), (15, 18733232), (16, 17562405), (20, 14049924), (21, 13380880), (24, 11708270), (28, 10035660), (30, 9366616), (35, 8028528), (40, 7024962), (42, 6690440), (48, 5854135), (56, 5017830), (60, 4683308), (70, 4014264), (80, 3512481), (84, 3345220), (105, 2676176), (112, 2508915), (120, 2341654), (140, 2007132), (168, 1672610), (210, 1338088), (240, 1170827), (280, 1003566), (336, 836305), (420, 669044), (560, 501783), (840, 334522), (1680, 167261)]