78874320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:402

約数の個数: 240

約数和(自身を含む): 300248640

約数和(自身を除く): 221374320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 353, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 706, 735, 760, 784, 798, 840, 912, 931, 980, 1059, 1064, 1140, 1176, 1330, 1412, 1470, 1520, 1596, 1680, 1765, 1862, 1960, 1995, 2118, 2128, 2280, 2352, 2471, 2660, 2793, 2824, 2940, 3192, 3530, 3724, 3920, 3990, 4236, 4560, 4655, 4942, 5295, 5320, 5586, 5648, 5880, 6384, 6707, 7060, 7413, 7448, 7980, 8472, 9310, 9884, 10590, 10640, 11172, 11760, 12355, 13414, 13965, 14120, 14826, 14896, 15960, 16944, 17297, 18620, 19768, 20121, 21180, 22344, 24710, 26828, 27930, 28240, 29652, 31920, 33535, 34594, 37065, 37240, 39536, 40242, 42360, 44688, 46949, 49420, 51891, 53656, 55860, 59304, 67070, 69188, 74130, 74480, 80484, 84720, 86485, 93898, 98840, 100605, 103782, 107312, 111720, 118608, 134140, 138376, 140847, 148260, 160968, 172970, 187796, 197680, 201210, 207564, 223440, 234745, 259455, 268280, 276752, 281694, 296520, 321936, 328643, 345940, 375592, 402420, 415128, 469490, 518910, 536560, 563388, 593040, 657286, 691880, 704235, 751184, 804840, 830256, 938980, 985929, 1037820, 1126776, 1314572, 1383760, 1408470, 1609680, 1643215, 1877960, 1971858, 2075640, 2253552, 2629144, 2816940, 3286430, 3755920, 3943716, 4151280, 4929645, 5258288, 5633880, 6572860, 7887432, 9859290, 11267760, 13145720, 15774864, 19718580, 26291440, 39437160, 78874320]

約数ペア:

[(1, 78874320), (2, 39437160), (3, 26291440), (4, 19718580), (5, 15774864), (6, 13145720), (7, 11267760), (8, 9859290), (10, 7887432), (12, 6572860), (14, 5633880), (15, 5258288), (16, 4929645), (19, 4151280), (20, 3943716), (21, 3755920), (24, 3286430), (28, 2816940), (30, 2629144), (35, 2253552), (38, 2075640), (40, 1971858), (42, 1877960), (48, 1643215), (49, 1609680), (56, 1408470), (57, 1383760), (60, 1314572), (70, 1126776), (76, 1037820), (80, 985929), (84, 938980), (95, 830256), (98, 804840), (105, 751184), (112, 704235), (114, 691880), (120, 657286), (133, 593040), (140, 563388), (147, 536560), (152, 518910), (168, 469490), (190, 415128), (196, 402420), (210, 375592), (228, 345940), (240, 328643), (245, 321936), (266, 296520), (280, 281694), (285, 276752), (294, 268280), (304, 259455), (336, 234745), (353, 223440), (380, 207564), (392, 201210), (399, 197680), (420, 187796), (456, 172970), (490, 160968), (532, 148260), (560, 140847), (570, 138376), (588, 134140), (665, 118608), (706, 111720), (735, 107312), (760, 103782), (784, 100605), (798, 98840), (840, 93898), (912, 86485), (931, 84720), (980, 80484), (1059, 74480), (1064, 74130), (1140, 69188), (1176, 67070), (1330, 59304), (1412, 55860), (1470, 53656), (1520, 51891), (1596, 49420), (1680, 46949), (1765, 44688), (1862, 42360), (1960, 40242), (1995, 39536), (2118, 37240), (2128, 37065), (2280, 34594), (2352, 33535), (2471, 31920), (2660, 29652), (2793, 28240), (2824, 27930), (2940, 26828), (3192, 24710), (3530, 22344), (3724, 21180), (3920, 20121), (3990, 19768), (4236, 18620), (4560, 17297), (4655, 16944), (4942, 15960), (5295, 14896), (5320, 14826), (5586, 14120), (5648, 13965), (5880, 13414), (6384, 12355), (6707, 11760), (7060, 11172), (7413, 10640), (7448, 10590), (7980, 9884), (8472, 9310)]