281663760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 240

約数和(自身を含む): 1041201216

約数和(自身を除く): 759537456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 49, 56, 60, 70, 80, 84, 86, 98, 105, 112, 120, 129, 140, 147, 168, 172, 196, 210, 215, 240, 245, 258, 280, 294, 301, 336, 344, 392, 420, 430, 490, 516, 557, 560, 588, 602, 645, 688, 735, 784, 840, 860, 903, 980, 1032, 1114, 1176, 1204, 1290, 1470, 1505, 1671, 1680, 1720, 1806, 1960, 2064, 2107, 2228, 2352, 2408, 2580, 2785, 2940, 3010, 3342, 3440, 3612, 3899, 3920, 4214, 4456, 4515, 4816, 5160, 5570, 5880, 6020, 6321, 6684, 7224, 7798, 8355, 8428, 8912, 9030, 10320, 10535, 11140, 11697, 11760, 12040, 12642, 13368, 14448, 15596, 16710, 16856, 18060, 19495, 21070, 22280, 23394, 23951, 24080, 25284, 26736, 27293, 31192, 31605, 33420, 33712, 36120, 38990, 42140, 44560, 46788, 47902, 50568, 54586, 58485, 62384, 63210, 66840, 71853, 72240, 77980, 81879, 84280, 93576, 95804, 101136, 109172, 116970, 119755, 126420, 133680, 136465, 143706, 155960, 163758, 167657, 168560, 187152, 191608, 218344, 233940, 239510, 252840, 272930, 287412, 311920, 327516, 335314, 359265, 383216, 409395, 436688, 467880, 479020, 502971, 505680, 545860, 574824, 655032, 670628, 718530, 818790, 838285, 935760, 958040, 1005942, 1091720, 1149648, 1173599, 1310064, 1341256, 1437060, 1637580, 1676570, 1916080, 2011884, 2183440, 2347198, 2514855, 2682512, 2874120, 3275160, 3353140, 3520797, 4023768, 4694396, 5029710, 5748240, 5867995, 6550320, 6706280, 7041594, 8047536, 9388792, 10059420, 11735990, 13412560, 14083188, 17603985, 18777584, 20118840, 23471980, 28166376, 35207970, 40237680, 46943960, 56332752, 70415940, 93887920, 140831880, 281663760]

約数ペア:

[(1, 281663760), (2, 140831880), (3, 93887920), (4, 70415940), (5, 56332752), (6, 46943960), (7, 40237680), (8, 35207970), (10, 28166376), (12, 23471980), (14, 20118840), (15, 18777584), (16, 17603985), (20, 14083188), (21, 13412560), (24, 11735990), (28, 10059420), (30, 9388792), (35, 8047536), (40, 7041594), (42, 6706280), (43, 6550320), (48, 5867995), (49, 5748240), (56, 5029710), (60, 4694396), (70, 4023768), (80, 3520797), (84, 3353140), (86, 3275160), (98, 2874120), (105, 2682512), (112, 2514855), (120, 2347198), (129, 2183440), (140, 2011884), (147, 1916080), (168, 1676570), (172, 1637580), (196, 1437060), (210, 1341256), (215, 1310064), (240, 1173599), (245, 1149648), (258, 1091720), (280, 1005942), (294, 958040), (301, 935760), (336, 838285), (344, 818790), (392, 718530), (420, 670628), (430, 655032), (490, 574824), (516, 545860), (557, 505680), (560, 502971), (588, 479020), (602, 467880), (645, 436688), (688, 409395), (735, 383216), (784, 359265), (840, 335314), (860, 327516), (903, 311920), (980, 287412), (1032, 272930), (1114, 252840), (1176, 239510), (1204, 233940), (1290, 218344), (1470, 191608), (1505, 187152), (1671, 168560), (1680, 167657), (1720, 163758), (1806, 155960), (1960, 143706), (2064, 136465), (2107, 133680), (2228, 126420), (2352, 119755), (2408, 116970), (2580, 109172), (2785, 101136), (2940, 95804), (3010, 93576), (3342, 84280), (3440, 81879), (3612, 77980), (3899, 72240), (3920, 71853), (4214, 66840), (4456, 63210), (4515, 62384), (4816, 58485), (5160, 54586), (5570, 50568), (5880, 47902), (6020, 46788), (6321, 44560), (6684, 42140), (7224, 38990), (7798, 36120), (8355, 33712), (8428, 33420), (8912, 31605), (9030, 31192), (10320, 27293), (10535, 26736), (11140, 25284), (11697, 24080), (11760, 23951), (12040, 23394), (12642, 22280), (13368, 21070), (14448, 19495), (15596, 18060), (16710, 16856)]