280798128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2547

約数の個数: 120

約数和(自身を含む): 860517840

約数和(自身を除く): 579719712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 61, 72, 78, 104, 117, 122, 144, 156, 183, 208, 234, 244, 312, 366, 468, 488, 549, 624, 732, 793, 936, 976, 1098, 1464, 1586, 1872, 2196, 2379, 2459, 2928, 3172, 4392, 4758, 4918, 6344, 7137, 7377, 8784, 9516, 9836, 12688, 14274, 14754, 19032, 19672, 22131, 28548, 29508, 31967, 38064, 39344, 44262, 57096, 59016, 63934, 88524, 95901, 114192, 118032, 127868, 149999, 177048, 191802, 255736, 287703, 299998, 354096, 383604, 449997, 511472, 575406, 599996, 767208, 899994, 1150812, 1199992, 1349991, 1534416, 1799988, 1949987, 2301624, 2399984, 2699982, 3599976, 3899974, 4603248, 5399964, 5849961, 7199952, 7799948, 10799928, 11699922, 15599896, 17549883, 21599856, 23399844, 31199792, 35099766, 46799688, 70199532, 93599376, 140399064, 280798128]

約数ペア:

[(1, 280798128), (2, 140399064), (3, 93599376), (4, 70199532), (6, 46799688), (8, 35099766), (9, 31199792), (12, 23399844), (13, 21599856), (16, 17549883), (18, 15599896), (24, 11699922), (26, 10799928), (36, 7799948), (39, 7199952), (48, 5849961), (52, 5399964), (61, 4603248), (72, 3899974), (78, 3599976), (104, 2699982), (117, 2399984), (122, 2301624), (144, 1949987), (156, 1799988), (183, 1534416), (208, 1349991), (234, 1199992), (244, 1150812), (312, 899994), (366, 767208), (468, 599996), (488, 575406), (549, 511472), (624, 449997), (732, 383604), (793, 354096), (936, 299998), (976, 287703), (1098, 255736), (1464, 191802), (1586, 177048), (1872, 149999), (2196, 127868), (2379, 118032), (2459, 114192), (2928, 95901), (3172, 88524), (4392, 63934), (4758, 59016), (4918, 57096), (6344, 44262), (7137, 39344), (7377, 38064), (8784, 31967), (9516, 29508), (9836, 28548), (12688, 22131), (14274, 19672), (14754, 19032)]