16282980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12923}}^1$

素因数の和:12945

約数の個数: 72

約数和(自身を含む): 56452032

約数和(自身を除く): 40169052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12923, 25846, 38769, 51692, 64615, 77538, 90461, 116307, 129230, 155076, 180922, 193845, 232614, 258460, 271383, 361844, 387690, 452305, 465228, 542766, 581535, 775380, 814149, 904610, 1085532, 1163070, 1356915, 1628298, 1809220, 2326140, 2713830, 3256596, 4070745, 5427660, 8141490, 16282980]

約数ペア:

[(1, 16282980), (2, 8141490), (3, 5427660), (4, 4070745), (5, 3256596), (6, 2713830), (7, 2326140), (9, 1809220), (10, 1628298), (12, 1356915), (14, 1163070), (15, 1085532), (18, 904610), (20, 814149), (21, 775380), (28, 581535), (30, 542766), (35, 465228), (36, 452305), (42, 387690), (45, 361844), (60, 271383), (63, 258460), (70, 232614), (84, 193845), (90, 180922), (105, 155076), (126, 129230), (140, 116307), (180, 90461), (210, 77538), (252, 64615), (315, 51692), (420, 38769), (630, 25846), (1260, 12923)]