219545520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6983}}^1$

素因数の和:7130

約数の個数: 80

約数和(自身を含む): 685884672

約数和(自身を除く): 466339152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 6983, 7860, 10480, 13966, 15720, 20949, 27932, 31440, 34915, 41898, 55864, 69830, 83796, 104745, 111728, 139660, 167592, 209490, 279320, 335184, 418980, 558640, 837960, 914773, 1675920, 1829546, 2744319, 3659092, 4573865, 5488638, 7318184, 9147730, 10977276, 13721595, 14636368, 18295460, 21954552, 27443190, 36590920, 43909104, 54886380, 73181840, 109772760, 219545520]

約数ペア:

[(1, 219545520), (2, 109772760), (3, 73181840), (4, 54886380), (5, 43909104), (6, 36590920), (8, 27443190), (10, 21954552), (12, 18295460), (15, 14636368), (16, 13721595), (20, 10977276), (24, 9147730), (30, 7318184), (40, 5488638), (48, 4573865), (60, 3659092), (80, 2744319), (120, 1829546), (131, 1675920), (240, 914773), (262, 837960), (393, 558640), (524, 418980), (655, 335184), (786, 279320), (1048, 209490), (1310, 167592), (1572, 139660), (1965, 111728), (2096, 104745), (2620, 83796), (3144, 69830), (3930, 55864), (5240, 41898), (6288, 34915), (6983, 31440), (7860, 27932), (10480, 20949), (13966, 15720)]