80804340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23627}}^1$

素因数の和:23661

約数の個数: 72

約数和(自身を含む): 258017760

約数和(自身を除く): 177213420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23627, 47254, 70881, 94508, 118135, 141762, 212643, 236270, 283524, 354405, 425286, 448913, 472540, 708810, 850572, 897826, 1063215, 1346739, 1417620, 1795652, 2126430, 2244565, 2693478, 4040217, 4252860, 4489130, 5386956, 6733695, 8080434, 8978260, 13467390, 16160868, 20201085, 26934780, 40402170, 80804340]

約数ペア:

[(1, 80804340), (2, 40402170), (3, 26934780), (4, 20201085), (5, 16160868), (6, 13467390), (9, 8978260), (10, 8080434), (12, 6733695), (15, 5386956), (18, 4489130), (19, 4252860), (20, 4040217), (30, 2693478), (36, 2244565), (38, 2126430), (45, 1795652), (57, 1417620), (60, 1346739), (76, 1063215), (90, 897826), (95, 850572), (114, 708810), (171, 472540), (180, 448913), (190, 425286), (228, 354405), (285, 283524), (342, 236270), (380, 212643), (570, 141762), (684, 118135), (855, 94508), (1140, 70881), (1710, 47254), (3420, 23627)]