81220230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 266692608

約数和(自身を除く): 185472378

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 47, 63, 65, 70, 78, 90, 91, 94, 105, 117, 126, 130, 141, 182, 195, 210, 211, 234, 235, 273, 282, 315, 329, 390, 422, 423, 455, 470, 546, 585, 611, 630, 633, 658, 705, 819, 846, 910, 987, 1055, 1170, 1222, 1266, 1365, 1410, 1477, 1638, 1645, 1833, 1899, 1974, 2110, 2115, 2730, 2743, 2954, 2961, 3055, 3165, 3290, 3666, 3798, 4095, 4230, 4277, 4431, 4935, 5486, 5499, 5922, 6110, 6330, 7385, 8190, 8229, 8554, 8862, 9165, 9495, 9870, 9917, 10998, 12831, 13293, 13715, 14770, 14805, 16458, 18330, 18990, 19201, 19834, 21385, 22155, 24687, 25662, 26586, 27430, 27495, 29610, 29751, 38402, 38493, 41145, 42770, 44310, 49374, 49585, 54990, 57603, 59502, 64155, 66465, 69419, 76986, 82290, 89253, 96005, 99170, 115206, 123435, 128310, 128921, 132930, 138838, 148755, 172809, 178506, 192010, 192465, 208257, 246870, 257842, 288015, 297510, 345618, 347095, 384930, 386763, 416514, 446265, 576030, 624771, 644605, 694190, 773526, 864045, 892530, 902447, 1041285, 1160289, 1249542, 1289210, 1728090, 1804894, 1933815, 2082570, 2320578, 2707341, 3123855, 3867630, 4512235, 5414682, 5801445, 6247710, 8122023, 9024470, 11602890, 13536705, 16244046, 27073410, 40610115, 81220230]

約数ペア:

[(1, 81220230), (2, 40610115), (3, 27073410), (5, 16244046), (6, 13536705), (7, 11602890), (9, 9024470), (10, 8122023), (13, 6247710), (14, 5801445), (15, 5414682), (18, 4512235), (21, 3867630), (26, 3123855), (30, 2707341), (35, 2320578), (39, 2082570), (42, 1933815), (45, 1804894), (47, 1728090), (63, 1289210), (65, 1249542), (70, 1160289), (78, 1041285), (90, 902447), (91, 892530), (94, 864045), (105, 773526), (117, 694190), (126, 644605), (130, 624771), (141, 576030), (182, 446265), (195, 416514), (210, 386763), (211, 384930), (234, 347095), (235, 345618), (273, 297510), (282, 288015), (315, 257842), (329, 246870), (390, 208257), (422, 192465), (423, 192010), (455, 178506), (470, 172809), (546, 148755), (585, 138838), (611, 132930), (630, 128921), (633, 128310), (658, 123435), (705, 115206), (819, 99170), (846, 96005), (910, 89253), (987, 82290), (1055, 76986), (1170, 69419), (1222, 66465), (1266, 64155), (1365, 59502), (1410, 57603), (1477, 54990), (1638, 49585), (1645, 49374), (1833, 44310), (1899, 42770), (1974, 41145), (2110, 38493), (2115, 38402), (2730, 29751), (2743, 29610), (2954, 27495), (2961, 27430), (3055, 26586), (3165, 25662), (3290, 24687), (3666, 22155), (3798, 21385), (4095, 19834), (4230, 19201), (4277, 18990), (4431, 18330), (4935, 16458), (5486, 14805), (5499, 14770), (5922, 13715), (6110, 13293), (6330, 12831), (7385, 10998), (8190, 9917), (8229, 9870), (8554, 9495), (8862, 9165)]