65131920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{12923}}^1$

素因数の和:12949

約数の個数: 120

約数和(自身を含む): 250001856

約数和(自身を除く): 184869936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 12923, 25846, 38769, 51692, 64615, 77538, 90461, 103384, 116307, 129230, 155076, 180922, 193845, 206768, 232614, 258460, 271383, 310152, 361844, 387690, 452305, 465228, 516920, 542766, 581535, 620304, 723688, 775380, 814149, 904610, 930456, 1033840, 1085532, 1163070, 1356915, 1447376, 1550760, 1628298, 1809220, 1860912, 2171064, 2326140, 2713830, 3101520, 3256596, 3618440, 4070745, 4342128, 4652280, 5427660, 6513192, 7236880, 8141490, 9304560, 10855320, 13026384, 16282980, 21710640, 32565960, 65131920]

約数ペア:

[(1, 65131920), (2, 32565960), (3, 21710640), (4, 16282980), (5, 13026384), (6, 10855320), (7, 9304560), (8, 8141490), (9, 7236880), (10, 6513192), (12, 5427660), (14, 4652280), (15, 4342128), (16, 4070745), (18, 3618440), (20, 3256596), (21, 3101520), (24, 2713830), (28, 2326140), (30, 2171064), (35, 1860912), (36, 1809220), (40, 1628298), (42, 1550760), (45, 1447376), (48, 1356915), (56, 1163070), (60, 1085532), (63, 1033840), (70, 930456), (72, 904610), (80, 814149), (84, 775380), (90, 723688), (105, 620304), (112, 581535), (120, 542766), (126, 516920), (140, 465228), (144, 452305), (168, 387690), (180, 361844), (210, 310152), (240, 271383), (252, 258460), (280, 232614), (315, 206768), (336, 193845), (360, 180922), (420, 155076), (504, 129230), (560, 116307), (630, 103384), (720, 90461), (840, 77538), (1008, 64615), (1260, 51692), (1680, 38769), (2520, 25846), (5040, 12923)]