438078480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{260761}}^1$

素因数の和:260784

約数の個数: 80

約数和(自身を含む): 1552055424

約数和(自身を除く): 1113976944

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, 260761, 521522, 782283, 1043044, 1303805, 1564566, 1825327, 2086088, 2607610, 3129132, 3650654, 3911415, 4172176, 5215220, 5475981, 6258264, 7301308, 7822830, 9126635, 10430440, 10951962, 12516528, 14602616, 15645660, 18253270, 20860880, 21903924, 27379905, 29205232, 31291320, 36506540, 43807848, 54759810, 62582640, 73013080, 87615696, 109519620, 146026160, 219039240, 438078480]

約数ペア:

[(1, 438078480), (2, 219039240), (3, 146026160), (4, 109519620), (5, 87615696), (6, 73013080), (7, 62582640), (8, 54759810), (10, 43807848), (12, 36506540), (14, 31291320), (15, 29205232), (16, 27379905), (20, 21903924), (21, 20860880), (24, 18253270), (28, 15645660), (30, 14602616), (35, 12516528), (40, 10951962), (42, 10430440), (48, 9126635), (56, 7822830), (60, 7301308), (70, 6258264), (80, 5475981), (84, 5215220), (105, 4172176), (112, 3911415), (120, 3650654), (140, 3129132), (168, 2607610), (210, 2086088), (240, 1825327), (280, 1564566), (336, 1303805), (420, 1043044), (560, 782283), (840, 521522), (1680, 260761)]