28779240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34261}}^1$

素因数の和:34282

約数の個数: 64

約数和(自身を含む): 98674560

約数和(自身を除く): 69895320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34261, 68522, 102783, 137044, 171305, 205566, 239827, 274088, 342610, 411132, 479654, 513915, 685220, 719481, 822264, 959308, 1027830, 1199135, 1370440, 1438962, 1918616, 2055660, 2398270, 2877924, 3597405, 4111320, 4796540, 5755848, 7194810, 9593080, 14389620, 28779240]

約数ペア:

[(1, 28779240), (2, 14389620), (3, 9593080), (4, 7194810), (5, 5755848), (6, 4796540), (7, 4111320), (8, 3597405), (10, 2877924), (12, 2398270), (14, 2055660), (15, 1918616), (20, 1438962), (21, 1370440), (24, 1199135), (28, 1027830), (30, 959308), (35, 822264), (40, 719481), (42, 685220), (56, 513915), (60, 479654), (70, 411132), (84, 342610), (105, 274088), (120, 239827), (140, 205566), (168, 171305), (210, 137044), (280, 102783), (420, 68522), (840, 34261)]