257430607840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{228251}}^1$

素因数の和:228345

約数の個数: 192

約数和(自身を含む): 745452771840

約数和(自身を除く): 488022164000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 53, 56, 70, 76, 80, 95, 106, 112, 133, 140, 152, 160, 190, 212, 224, 265, 266, 280, 304, 371, 380, 424, 530, 532, 560, 608, 665, 742, 760, 848, 1007, 1060, 1064, 1120, 1330, 1484, 1520, 1696, 1855, 2014, 2120, 2128, 2660, 2968, 3040, 3710, 4028, 4240, 4256, 5035, 5320, 5936, 7049, 7420, 8056, 8480, 10070, 10640, 11872, 14098, 14840, 16112, 20140, 21280, 28196, 29680, 32224, 35245, 40280, 56392, 59360, 70490, 80560, 112784, 140980, 161120, 225568, 228251, 281960, 456502, 563920, 913004, 1127840, 1141255, 1597757, 1826008, 2282510, 3195514, 3652016, 4336769, 4565020, 6391028, 7304032, 7988785, 8673538, 9130040, 12097303, 12782056, 15977570, 17347076, 18260080, 21683845, 24194606, 25564112, 30357383, 31955140, 34694152, 36520160, 43367690, 48389212, 51128224, 60486515, 60714766, 63910280, 69388304, 84681121, 86735380, 96778424, 120973030, 121429532, 127820560, 138776608, 151786915, 169362242, 173470760, 193556848, 229848757, 241946060, 242859064, 255641120, 303573830, 338724484, 346941520, 387113696, 423405605, 459697514, 483892120, 485718128, 607147660, 677448968, 693883040, 846811210, 919395028, 967784240, 971436256, 1149243785, 1214295320, 1354897936, 1608941299, 1693622420, 1838790056, 1935568480, 2298487570, 2428590640, 2709795872, 3217882598, 3387244840, 3677580112, 4596975140, 4857181280, 6435765196, 6774489680, 7355160224, 8044706495, 9193950280, 12871530392, 13548979360, 16089412990, 18387900560, 25743060784, 32178825980, 36775801120, 51486121568, 64357651960, 128715303920, 257430607840]

約数ペア:

[(1, 257430607840), (2, 128715303920), (4, 64357651960), (5, 51486121568), (7, 36775801120), (8, 32178825980), (10, 25743060784), (14, 18387900560), (16, 16089412990), (19, 13548979360), (20, 12871530392), (28, 9193950280), (32, 8044706495), (35, 7355160224), (38, 6774489680), (40, 6435765196), (53, 4857181280), (56, 4596975140), (70, 3677580112), (76, 3387244840), (80, 3217882598), (95, 2709795872), (106, 2428590640), (112, 2298487570), (133, 1935568480), (140, 1838790056), (152, 1693622420), (160, 1608941299), (190, 1354897936), (212, 1214295320), (224, 1149243785), (265, 971436256), (266, 967784240), (280, 919395028), (304, 846811210), (371, 693883040), (380, 677448968), (424, 607147660), (530, 485718128), (532, 483892120), (560, 459697514), (608, 423405605), (665, 387113696), (742, 346941520), (760, 338724484), (848, 303573830), (1007, 255641120), (1060, 242859064), (1064, 241946060), (1120, 229848757), (1330, 193556848), (1484, 173470760), (1520, 169362242), (1696, 151786915), (1855, 138776608), (2014, 127820560), (2120, 121429532), (2128, 120973030), (2660, 96778424), (2968, 86735380), (3040, 84681121), (3710, 69388304), (4028, 63910280), (4240, 60714766), (4256, 60486515), (5035, 51128224), (5320, 48389212), (5936, 43367690), (7049, 36520160), (7420, 34694152), (8056, 31955140), (8480, 30357383), (10070, 25564112), (10640, 24194606), (11872, 21683845), (14098, 18260080), (14840, 17347076), (16112, 15977570), (20140, 12782056), (21280, 12097303), (28196, 9130040), (29680, 8673538), (32224, 7988785), (35245, 7304032), (40280, 6391028), (56392, 4565020), (59360, 4336769), (70490, 3652016), (80560, 3195514), (112784, 2282510), (140980, 1826008), (161120, 1597757), (225568, 1141255), (228251, 1127840), (281960, 913004), (456502, 563920)]