209209680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1303}}^1$

素因数の和:1545

約数の個数: 120

約数和(自身を含む): 706288128

約数和(自身を除く): 497078448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 223, 240, 360, 446, 669, 720, 892, 1115, 1303, 1338, 1784, 2007, 2230, 2606, 2676, 3345, 3568, 3909, 4014, 4460, 5212, 5352, 6515, 6690, 7818, 8028, 8920, 10035, 10424, 10704, 11727, 13030, 13380, 15636, 16056, 17840, 19545, 20070, 20848, 23454, 26060, 26760, 31272, 32112, 39090, 40140, 46908, 52120, 53520, 58635, 62544, 78180, 80280, 93816, 104240, 117270, 156360, 160560, 187632, 234540, 290569, 312720, 469080, 581138, 871707, 938160, 1162276, 1452845, 1743414, 2324552, 2615121, 2905690, 3486828, 4358535, 4649104, 5230242, 5811380, 6973656, 8717070, 10460484, 11622760, 13075605, 13947312, 17434140, 20920968, 23245520, 26151210, 34868280, 41841936, 52302420, 69736560, 104604840, 209209680]

約数ペア:

[(1, 209209680), (2, 104604840), (3, 69736560), (4, 52302420), (5, 41841936), (6, 34868280), (8, 26151210), (9, 23245520), (10, 20920968), (12, 17434140), (15, 13947312), (16, 13075605), (18, 11622760), (20, 10460484), (24, 8717070), (30, 6973656), (36, 5811380), (40, 5230242), (45, 4649104), (48, 4358535), (60, 3486828), (72, 2905690), (80, 2615121), (90, 2324552), (120, 1743414), (144, 1452845), (180, 1162276), (223, 938160), (240, 871707), (360, 581138), (446, 469080), (669, 312720), (720, 290569), (892, 234540), (1115, 187632), (1303, 160560), (1338, 156360), (1784, 117270), (2007, 104240), (2230, 93816), (2606, 80280), (2676, 78180), (3345, 62544), (3568, 58635), (3909, 53520), (4014, 52120), (4460, 46908), (5212, 40140), (5352, 39090), (6515, 32112), (6690, 31272), (7818, 26760), (8028, 26060), (8920, 23454), (10035, 20848), (10424, 20070), (10704, 19545), (11727, 17840), (13030, 16056), (13380, 15636)]