205752720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3187}}^1$

素因数の和:3472

約数の個数: 80

約数和(自身を含む): 640405440

約数和(自身を除く): 434652720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3187, 3228, 4035, 4304, 5380, 6374, 6456, 8070, 9561, 10760, 12748, 12912, 15935, 16140, 19122, 21520, 25496, 31870, 32280, 38244, 47805, 50992, 63740, 64560, 76488, 95610, 127480, 152976, 191220, 254960, 382440, 764880, 857303, 1714606, 2571909, 3429212, 4286515, 5143818, 6858424, 8573030, 10287636, 12859545, 13716848, 17146060, 20575272, 25719090, 34292120, 41150544, 51438180, 68584240, 102876360, 205752720]

約数ペア:

[(1, 205752720), (2, 102876360), (3, 68584240), (4, 51438180), (5, 41150544), (6, 34292120), (8, 25719090), (10, 20575272), (12, 17146060), (15, 13716848), (16, 12859545), (20, 10287636), (24, 8573030), (30, 6858424), (40, 5143818), (48, 4286515), (60, 3429212), (80, 2571909), (120, 1714606), (240, 857303), (269, 764880), (538, 382440), (807, 254960), (1076, 191220), (1345, 152976), (1614, 127480), (2152, 95610), (2690, 76488), (3187, 64560), (3228, 63740), (4035, 50992), (4304, 47805), (5380, 38244), (6374, 32280), (6456, 31870), (8070, 25496), (9561, 21520), (10760, 19122), (12748, 16140), (12912, 15935)]