80120910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 216691200

約数和(自身を除く): 136570290

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 37, 38, 57, 58, 74, 87, 95, 111, 114, 131, 145, 174, 185, 190, 222, 262, 285, 290, 370, 393, 435, 551, 555, 570, 655, 703, 786, 870, 1073, 1102, 1110, 1310, 1406, 1653, 1965, 2109, 2146, 2489, 2755, 3219, 3306, 3515, 3799, 3930, 4218, 4847, 4978, 5365, 5510, 6438, 7030, 7467, 7598, 8265, 9694, 10545, 10730, 11397, 12445, 14541, 14934, 16095, 16530, 18995, 20387, 21090, 22794, 24235, 24890, 29082, 32190, 37335, 37990, 40774, 48470, 56985, 61161, 72181, 72705, 74670, 92093, 101935, 113970, 122322, 140563, 144362, 145410, 184186, 203870, 216543, 276279, 281126, 305805, 360905, 421689, 433086, 460465, 552558, 611610, 702815, 721810, 843378, 920930, 1082715, 1381395, 1405630, 2108445, 2165430, 2670697, 2762790, 4216890, 5341394, 8012091, 13353485, 16024182, 26706970, 40060455, 80120910]

約数ペア:

[(1, 80120910), (2, 40060455), (3, 26706970), (5, 16024182), (6, 13353485), (10, 8012091), (15, 5341394), (19, 4216890), (29, 2762790), (30, 2670697), (37, 2165430), (38, 2108445), (57, 1405630), (58, 1381395), (74, 1082715), (87, 920930), (95, 843378), (111, 721810), (114, 702815), (131, 611610), (145, 552558), (174, 460465), (185, 433086), (190, 421689), (222, 360905), (262, 305805), (285, 281126), (290, 276279), (370, 216543), (393, 203870), (435, 184186), (551, 145410), (555, 144362), (570, 140563), (655, 122322), (703, 113970), (786, 101935), (870, 92093), (1073, 74670), (1102, 72705), (1110, 72181), (1310, 61161), (1406, 56985), (1653, 48470), (1965, 40774), (2109, 37990), (2146, 37335), (2489, 32190), (2755, 29082), (3219, 24890), (3306, 24235), (3515, 22794), (3799, 21090), (3930, 20387), (4218, 18995), (4847, 16530), (4978, 16095), (5365, 14934), (5510, 14541), (6438, 12445), (7030, 11397), (7467, 10730), (7598, 10545), (8265, 9694)]