278630712

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 128

約数和(自身を含む): 801504000

約数和(自身を除く): 522873288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 131, 172, 216, 229, 258, 262, 344, 387, 393, 458, 516, 524, 687, 774, 786, 916, 1032, 1048, 1161, 1179, 1374, 1548, 1572, 1832, 2061, 2322, 2358, 2748, 3096, 3144, 3537, 4122, 4644, 4716, 5496, 5633, 6183, 7074, 8244, 9288, 9432, 9847, 11266, 12366, 14148, 16488, 16899, 19694, 22532, 24732, 28296, 29541, 29999, 33798, 39388, 45064, 49464, 50697, 59082, 59998, 67596, 78776, 88623, 89997, 101394, 118164, 119996, 135192, 152091, 177246, 179994, 202788, 236328, 239992, 265869, 269991, 304182, 354492, 359988, 405576, 531738, 539982, 608364, 708984, 719976, 809973, 1063476, 1079964, 1216728, 1289957, 1619946, 2126952, 2159928, 2579914, 3239892, 3869871, 5159828, 6479784, 7739742, 10319656, 11609613, 15479484, 23219226, 30958968, 34828839, 46438452, 69657678, 92876904, 139315356, 278630712]

約数ペア:

[(1, 278630712), (2, 139315356), (3, 92876904), (4, 69657678), (6, 46438452), (8, 34828839), (9, 30958968), (12, 23219226), (18, 15479484), (24, 11609613), (27, 10319656), (36, 7739742), (43, 6479784), (54, 5159828), (72, 3869871), (86, 3239892), (108, 2579914), (129, 2159928), (131, 2126952), (172, 1619946), (216, 1289957), (229, 1216728), (258, 1079964), (262, 1063476), (344, 809973), (387, 719976), (393, 708984), (458, 608364), (516, 539982), (524, 531738), (687, 405576), (774, 359988), (786, 354492), (916, 304182), (1032, 269991), (1048, 265869), (1161, 239992), (1179, 236328), (1374, 202788), (1548, 179994), (1572, 177246), (1832, 152091), (2061, 135192), (2322, 119996), (2358, 118164), (2748, 101394), (3096, 89997), (3144, 88623), (3537, 78776), (4122, 67596), (4644, 59998), (4716, 59082), (5496, 50697), (5633, 49464), (6183, 45064), (7074, 39388), (8244, 33798), (9288, 29999), (9432, 29541), (9847, 28296), (11266, 24732), (12366, 22532), (14148, 19694), (16488, 16899)]