205644240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 240

約数和(自身を含む): 747394128

約数和(自身を除く): 541749888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 53, 60, 68, 72, 80, 85, 90, 102, 106, 120, 136, 144, 153, 159, 170, 180, 204, 212, 240, 255, 265, 272, 306, 317, 318, 340, 360, 408, 424, 477, 510, 530, 612, 634, 636, 680, 720, 765, 795, 816, 848, 901, 951, 954, 1020, 1060, 1224, 1268, 1272, 1360, 1530, 1585, 1590, 1802, 1902, 1908, 2040, 2120, 2385, 2448, 2536, 2544, 2703, 2853, 3060, 3170, 3180, 3604, 3804, 3816, 4080, 4240, 4505, 4755, 4770, 5072, 5389, 5406, 5706, 6120, 6340, 6360, 7208, 7608, 7632, 8109, 9010, 9510, 9540, 10778, 10812, 11412, 12240, 12680, 12720, 13515, 14265, 14416, 15216, 16167, 16218, 16801, 18020, 19020, 19080, 21556, 21624, 22824, 25360, 26945, 27030, 28530, 32334, 32436, 33602, 36040, 38040, 38160, 40545, 43112, 43248, 45648, 48501, 50403, 53890, 54060, 57060, 64668, 64872, 67204, 72080, 76080, 80835, 81090, 84005, 86224, 97002, 100806, 107780, 108120, 114120, 129336, 129744, 134408, 151209, 161670, 162180, 168010, 194004, 201612, 215560, 216240, 228240, 242505, 252015, 258672, 268816, 285617, 302418, 323340, 324360, 336020, 388008, 403224, 431120, 485010, 504030, 571234, 604836, 646680, 648720, 672040, 756045, 776016, 806448, 856851, 970020, 1008060, 1142468, 1209672, 1293360, 1344080, 1428085, 1512090, 1713702, 1940040, 2016120, 2284936, 2419344, 2570553, 2856170, 3024180, 3427404, 3880080, 4032240, 4284255, 4569872, 5141106, 5712340, 6048360, 6854808, 8568510, 10282212, 11424680, 12096720, 12852765, 13709616, 17137020, 20564424, 22849360, 25705530, 34274040, 41128848, 51411060, 68548080, 102822120, 205644240]

約数ペア:

[(1, 205644240), (2, 102822120), (3, 68548080), (4, 51411060), (5, 41128848), (6, 34274040), (8, 25705530), (9, 22849360), (10, 20564424), (12, 17137020), (15, 13709616), (16, 12852765), (17, 12096720), (18, 11424680), (20, 10282212), (24, 8568510), (30, 6854808), (34, 6048360), (36, 5712340), (40, 5141106), (45, 4569872), (48, 4284255), (51, 4032240), (53, 3880080), (60, 3427404), (68, 3024180), (72, 2856170), (80, 2570553), (85, 2419344), (90, 2284936), (102, 2016120), (106, 1940040), (120, 1713702), (136, 1512090), (144, 1428085), (153, 1344080), (159, 1293360), (170, 1209672), (180, 1142468), (204, 1008060), (212, 970020), (240, 856851), (255, 806448), (265, 776016), (272, 756045), (306, 672040), (317, 648720), (318, 646680), (340, 604836), (360, 571234), (408, 504030), (424, 485010), (477, 431120), (510, 403224), (530, 388008), (612, 336020), (634, 324360), (636, 323340), (680, 302418), (720, 285617), (765, 268816), (795, 258672), (816, 252015), (848, 242505), (901, 228240), (951, 216240), (954, 215560), (1020, 201612), (1060, 194004), (1224, 168010), (1268, 162180), (1272, 161670), (1360, 151209), (1530, 134408), (1585, 129744), (1590, 129336), (1802, 114120), (1902, 108120), (1908, 107780), (2040, 100806), (2120, 97002), (2385, 86224), (2448, 84005), (2536, 81090), (2544, 80835), (2703, 76080), (2853, 72080), (3060, 67204), (3170, 64872), (3180, 64668), (3604, 57060), (3804, 54060), (3816, 53890), (4080, 50403), (4240, 48501), (4505, 45648), (4755, 43248), (4770, 43112), (5072, 40545), (5389, 38160), (5406, 38040), (5706, 36040), (6120, 33602), (6340, 32436), (6360, 32334), (7208, 28530), (7608, 27030), (7632, 26945), (8109, 25360), (9010, 22824), (9510, 21624), (9540, 21556), (10778, 19080), (10812, 19020), (11412, 18020), (12240, 16801), (12680, 16218), (12720, 16167), (13515, 15216), (14265, 14416)]