400107120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{238159}}^1$

素因数の和:238182

約数の個数: 80

約数和(自身を含む): 1417528320

約数和(自身を除く): 1017421200

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, 238159, 476318, 714477, 952636, 1190795, 1428954, 1667113, 1905272, 2381590, 2857908, 3334226, 3572385, 3810544, 4763180, 5001339, 5715816, 6668452, 7144770, 8335565, 9526360, 10002678, 11431632, 13336904, 14289540, 16671130, 19052720, 20005356, 25006695, 26673808, 28579080, 33342260, 40010712, 50013390, 57158160, 66684520, 80021424, 100026780, 133369040, 200053560, 400107120]

約数ペア:

[(1, 400107120), (2, 200053560), (3, 133369040), (4, 100026780), (5, 80021424), (6, 66684520), (7, 57158160), (8, 50013390), (10, 40010712), (12, 33342260), (14, 28579080), (15, 26673808), (16, 25006695), (20, 20005356), (21, 19052720), (24, 16671130), (28, 14289540), (30, 13336904), (35, 11431632), (40, 10002678), (42, 9526360), (48, 8335565), (56, 7144770), (60, 6668452), (70, 5715816), (80, 5001339), (84, 4763180), (105, 3810544), (112, 3572385), (120, 3334226), (140, 2857908), (168, 2381590), (210, 1905272), (240, 1667113), (280, 1428954), (336, 1190795), (420, 952636), (560, 714477), (840, 476318), (1680, 238159)]