7881798120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1399}}^1$

素因数の和:1792

約数の個数: 256

約数和(自身を含む): 28546560000

約数和(自身を除く): 20664761880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 353, 380, 399, 420, 456, 532, 570, 665, 706, 760, 798, 840, 1059, 1064, 1140, 1330, 1399, 1412, 1596, 1765, 1995, 2118, 2280, 2471, 2660, 2798, 2824, 3192, 3530, 3990, 4197, 4236, 4942, 5295, 5320, 5596, 6707, 6995, 7060, 7413, 7980, 8394, 8472, 9793, 9884, 10590, 11192, 12355, 13414, 13990, 14120, 14826, 15960, 16788, 19586, 19768, 20121, 20985, 21180, 24710, 26581, 26828, 27980, 29379, 29652, 33535, 33576, 37065, 39172, 40242, 41970, 42360, 46949, 48965, 49420, 53162, 53656, 55960, 58758, 59304, 67070, 74130, 78344, 79743, 80484, 83940, 93898, 97930, 98840, 100605, 106324, 117516, 132905, 134140, 140847, 146895, 148260, 159486, 160968, 167880, 186067, 187796, 195860, 201210, 212648, 234745, 235032, 265810, 268280, 281694, 293790, 296520, 318972, 372134, 375592, 391720, 398715, 402420, 469490, 493847, 531620, 558201, 563388, 587580, 637944, 704235, 744268, 797430, 804840, 930335, 938980, 987694, 1063240, 1116402, 1126776, 1175160, 1408470, 1481541, 1488536, 1594860, 1860670, 1877960, 1975388, 2232804, 2469235, 2791005, 2816940, 2963082, 3189720, 3456929, 3721340, 3950776, 4465608, 4938470, 5582010, 5633880, 5926164, 6913858, 7407705, 7442680, 9383093, 9876940, 10370787, 11164020, 11852328, 13827716, 14815410, 17284645, 18766186, 19753880, 20741574, 22328040, 27655432, 28149279, 29630820, 34569290, 37532372, 41483148, 46915465, 51853935, 56298558, 59261640, 65681651, 69138580, 75064744, 82966296, 93830930, 103707870, 112597116, 131363302, 138277160, 140746395, 187661860, 197044953, 207415740, 225194232, 262726604, 281492790, 328408255, 375323720, 394089906, 414831480, 525453208, 562985580, 656816510, 788179812, 985224765, 1125971160, 1313633020, 1576359624, 1970449530, 2627266040, 3940899060, 7881798120]

約数ペア:

[(1, 7881798120), (2, 3940899060), (3, 2627266040), (4, 1970449530), (5, 1576359624), (6, 1313633020), (7, 1125971160), (8, 985224765), (10, 788179812), (12, 656816510), (14, 562985580), (15, 525453208), (19, 414831480), (20, 394089906), (21, 375323720), (24, 328408255), (28, 281492790), (30, 262726604), (35, 225194232), (38, 207415740), (40, 197044953), (42, 187661860), (56, 140746395), (57, 138277160), (60, 131363302), (70, 112597116), (76, 103707870), (84, 93830930), (95, 82966296), (105, 75064744), (114, 69138580), (120, 65681651), (133, 59261640), (140, 56298558), (152, 51853935), (168, 46915465), (190, 41483148), (210, 37532372), (228, 34569290), (266, 29630820), (280, 28149279), (285, 27655432), (353, 22328040), (380, 20741574), (399, 19753880), (420, 18766186), (456, 17284645), (532, 14815410), (570, 13827716), (665, 11852328), (706, 11164020), (760, 10370787), (798, 9876940), (840, 9383093), (1059, 7442680), (1064, 7407705), (1140, 6913858), (1330, 5926164), (1399, 5633880), (1412, 5582010), (1596, 4938470), (1765, 4465608), (1995, 3950776), (2118, 3721340), (2280, 3456929), (2471, 3189720), (2660, 2963082), (2798, 2816940), (2824, 2791005), (3192, 2469235), (3530, 2232804), (3990, 1975388), (4197, 1877960), (4236, 1860670), (4942, 1594860), (5295, 1488536), (5320, 1481541), (5596, 1408470), (6707, 1175160), (6995, 1126776), (7060, 1116402), (7413, 1063240), (7980, 987694), (8394, 938980), (8472, 930335), (9793, 804840), (9884, 797430), (10590, 744268), (11192, 704235), (12355, 637944), (13414, 587580), (13990, 563388), (14120, 558201), (14826, 531620), (15960, 493847), (16788, 469490), (19586, 402420), (19768, 398715), (20121, 391720), (20985, 375592), (21180, 372134), (24710, 318972), (26581, 296520), (26828, 293790), (27980, 281694), (29379, 268280), (29652, 265810), (33535, 235032), (33576, 234745), (37065, 212648), (39172, 201210), (40242, 195860), (41970, 187796), (42360, 186067), (46949, 167880), (48965, 160968), (49420, 159486), (53162, 148260), (53656, 146895), (55960, 140847), (58758, 134140), (59304, 132905), (67070, 117516), (74130, 106324), (78344, 100605), (79743, 98840), (80484, 97930), (83940, 93898)]