81051240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 261740160

約数和(自身を除く): 180688920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 170, 201, 204, 255, 268, 335, 340, 402, 408, 510, 536, 593, 670, 680, 804, 1005, 1020, 1139, 1186, 1340, 1608, 1779, 2010, 2040, 2278, 2372, 2680, 2965, 3417, 3558, 4020, 4556, 4744, 5695, 5930, 6834, 7116, 8040, 8895, 9112, 10081, 11390, 11860, 13668, 14232, 17085, 17790, 20162, 22780, 23720, 27336, 30243, 34170, 35580, 39731, 40324, 45560, 50405, 60486, 68340, 71160, 79462, 80648, 100810, 119193, 120972, 136680, 151215, 158924, 198655, 201620, 238386, 241944, 302430, 317848, 397310, 403240, 476772, 595965, 604860, 675427, 794620, 953544, 1191930, 1209720, 1350854, 1589240, 2026281, 2383860, 2701708, 3377135, 4052562, 4767720, 5403416, 6754270, 8105124, 10131405, 13508540, 16210248, 20262810, 27017080, 40525620, 81051240]

約数ペア:

[(1, 81051240), (2, 40525620), (3, 27017080), (4, 20262810), (5, 16210248), (6, 13508540), (8, 10131405), (10, 8105124), (12, 6754270), (15, 5403416), (17, 4767720), (20, 4052562), (24, 3377135), (30, 2701708), (34, 2383860), (40, 2026281), (51, 1589240), (60, 1350854), (67, 1209720), (68, 1191930), (85, 953544), (102, 794620), (120, 675427), (134, 604860), (136, 595965), (170, 476772), (201, 403240), (204, 397310), (255, 317848), (268, 302430), (335, 241944), (340, 238386), (402, 201620), (408, 198655), (510, 158924), (536, 151215), (593, 136680), (670, 120972), (680, 119193), (804, 100810), (1005, 80648), (1020, 79462), (1139, 71160), (1186, 68340), (1340, 60486), (1608, 50405), (1779, 45560), (2010, 40324), (2040, 39731), (2278, 35580), (2372, 34170), (2680, 30243), (2965, 27336), (3417, 23720), (3558, 22780), (4020, 20162), (4556, 17790), (4744, 17085), (5695, 14232), (5930, 13668), (6834, 11860), (7116, 11390), (8040, 10081), (8895, 9112)]