678651690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 1787904000

約数和(自身を除く): 1109252310

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 193, 199, 285, 310, 386, 398, 465, 570, 579, 589, 597, 930, 965, 995, 1158, 1178, 1194, 1767, 1930, 1990, 2895, 2945, 2985, 3534, 3667, 3781, 5790, 5890, 5970, 5983, 6169, 7334, 7562, 8835, 11001, 11343, 11966, 12338, 17670, 17949, 18335, 18507, 18905, 22002, 22686, 29915, 30845, 35898, 36670, 37014, 37810, 38407, 55005, 56715, 59830, 61690, 76814, 89745, 92535, 110010, 113430, 113677, 115221, 117211, 179490, 185070, 192035, 227354, 230442, 234422, 341031, 351633, 384070, 568385, 576105, 586055, 682062, 703266, 729733, 1136770, 1152210, 1172110, 1190617, 1459466, 1705155, 1758165, 2189199, 2381234, 3410310, 3516330, 3571851, 3648665, 4378398, 5953085, 7143702, 7297330, 10945995, 11906170, 17859255, 21891990, 22621723, 35718510, 45243446, 67865169, 113108615, 135730338, 226217230, 339325845, 678651690]

約数ペア:

[(1, 678651690), (2, 339325845), (3, 226217230), (5, 135730338), (6, 113108615), (10, 67865169), (15, 45243446), (19, 35718510), (30, 22621723), (31, 21891990), (38, 17859255), (57, 11906170), (62, 10945995), (93, 7297330), (95, 7143702), (114, 5953085), (155, 4378398), (186, 3648665), (190, 3571851), (193, 3516330), (199, 3410310), (285, 2381234), (310, 2189199), (386, 1758165), (398, 1705155), (465, 1459466), (570, 1190617), (579, 1172110), (589, 1152210), (597, 1136770), (930, 729733), (965, 703266), (995, 682062), (1158, 586055), (1178, 576105), (1194, 568385), (1767, 384070), (1930, 351633), (1990, 341031), (2895, 234422), (2945, 230442), (2985, 227354), (3534, 192035), (3667, 185070), (3781, 179490), (5790, 117211), (5890, 115221), (5970, 113677), (5983, 113430), (6169, 110010), (7334, 92535), (7562, 89745), (8835, 76814), (11001, 61690), (11343, 59830), (11966, 56715), (12338, 55005), (17670, 38407), (17949, 37810), (18335, 37014), (18507, 36670), (18905, 35898), (22002, 30845), (22686, 29915)]