1277698920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{626323}}^1$

素因数の和:626354

約数の個数: 64

約数和(自身を含む): 4058579520

約数和(自身を除く): 2780880600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 626323, 1252646, 1878969, 2505292, 3131615, 3757938, 5010584, 6263230, 7515876, 9394845, 10647491, 12526460, 15031752, 18789690, 21294982, 25052920, 31942473, 37579380, 42589964, 53237455, 63884946, 75158760, 85179928, 106474910, 127769892, 159712365, 212949820, 255539784, 319424730, 425899640, 638849460, 1277698920]

約数ペア:

[(1, 1277698920), (2, 638849460), (3, 425899640), (4, 319424730), (5, 255539784), (6, 212949820), (8, 159712365), (10, 127769892), (12, 106474910), (15, 85179928), (17, 75158760), (20, 63884946), (24, 53237455), (30, 42589964), (34, 37579380), (40, 31942473), (51, 25052920), (60, 21294982), (68, 18789690), (85, 15031752), (102, 12526460), (120, 10647491), (136, 9394845), (170, 7515876), (204, 6263230), (255, 5010584), (340, 3757938), (408, 3131615), (510, 2505292), (680, 1878969), (1020, 1252646), (2040, 626323)]