638883936

素因数分解:

$2^5\times 3^8\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:230

約数の個数: 216

約数和(自身を含む): 2008744920

約数和(自身を除く): 1369860984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 81, 96, 102, 108, 136, 144, 153, 162, 179, 204, 216, 243, 272, 288, 306, 324, 358, 408, 432, 459, 486, 537, 544, 612, 648, 716, 729, 816, 864, 918, 972, 1074, 1224, 1296, 1377, 1432, 1458, 1611, 1632, 1836, 1944, 2148, 2187, 2448, 2592, 2754, 2864, 2916, 3043, 3222, 3672, 3888, 4131, 4296, 4374, 4833, 4896, 5508, 5728, 5832, 6086, 6444, 6561, 7344, 7776, 8262, 8592, 8748, 9129, 9666, 11016, 11664, 12172, 12393, 12888, 13122, 14499, 14688, 16524, 17184, 17496, 18258, 19332, 22032, 23328, 24344, 24786, 25776, 26244, 27387, 28998, 33048, 34992, 36516, 37179, 38664, 43497, 44064, 48688, 49572, 51552, 52488, 54774, 57996, 66096, 69984, 73032, 74358, 77328, 82161, 86994, 97376, 99144, 104976, 109548, 111537, 115992, 130491, 132192, 146064, 148716, 154656, 164322, 173988, 198288, 209952, 219096, 223074, 231984, 246483, 260982, 292128, 297432, 328644, 347976, 391473, 396576, 438192, 446148, 463968, 492966, 521964, 594864, 657288, 695952, 739449, 782946, 876384, 892296, 985932, 1043928, 1174419, 1189728, 1314576, 1391904, 1478898, 1565892, 1784592, 1971864, 2087856, 2218347, 2348838, 2629152, 2957796, 3131784, 3569184, 3943728, 4175712, 4436694, 4697676, 5915592, 6263568, 6655041, 7887456, 8873388, 9395352, 11831184, 12527136, 13310082, 17746776, 18790704, 19965123, 23662368, 26620164, 35493552, 37581408, 39930246, 53240328, 70987104, 79860492, 106480656, 159720984, 212961312, 319441968, 638883936]

約数ペア:

[(1, 638883936), (2, 319441968), (3, 212961312), (4, 159720984), (6, 106480656), (8, 79860492), (9, 70987104), (12, 53240328), (16, 39930246), (17, 37581408), (18, 35493552), (24, 26620164), (27, 23662368), (32, 19965123), (34, 18790704), (36, 17746776), (48, 13310082), (51, 12527136), (54, 11831184), (68, 9395352), (72, 8873388), (81, 7887456), (96, 6655041), (102, 6263568), (108, 5915592), (136, 4697676), (144, 4436694), (153, 4175712), (162, 3943728), (179, 3569184), (204, 3131784), (216, 2957796), (243, 2629152), (272, 2348838), (288, 2218347), (306, 2087856), (324, 1971864), (358, 1784592), (408, 1565892), (432, 1478898), (459, 1391904), (486, 1314576), (537, 1189728), (544, 1174419), (612, 1043928), (648, 985932), (716, 892296), (729, 876384), (816, 782946), (864, 739449), (918, 695952), (972, 657288), (1074, 594864), (1224, 521964), (1296, 492966), (1377, 463968), (1432, 446148), (1458, 438192), (1611, 396576), (1632, 391473), (1836, 347976), (1944, 328644), (2148, 297432), (2187, 292128), (2448, 260982), (2592, 246483), (2754, 231984), (2864, 223074), (2916, 219096), (3043, 209952), (3222, 198288), (3672, 173988), (3888, 164322), (4131, 154656), (4296, 148716), (4374, 146064), (4833, 132192), (4896, 130491), (5508, 115992), (5728, 111537), (5832, 109548), (6086, 104976), (6444, 99144), (6561, 97376), (7344, 86994), (7776, 82161), (8262, 77328), (8592, 74358), (8748, 73032), (9129, 69984), (9666, 66096), (11016, 57996), (11664, 54774), (12172, 52488), (12393, 51552), (12888, 49572), (13122, 48688), (14499, 44064), (14688, 43497), (16524, 38664), (17184, 37179), (17496, 36516), (18258, 34992), (19332, 33048), (22032, 28998), (23328, 27387), (24344, 26244), (24786, 25776)]