66778320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39749}}^1$

素因数の和:39772

約数の個数: 80

約数和(自身を含む): 236592000

約数和(自身を除く): 169813680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39749, 79498, 119247, 158996, 198745, 238494, 278243, 317992, 397490, 476988, 556486, 596235, 635984, 794980, 834729, 953976, 1112972, 1192470, 1391215, 1589960, 1669458, 1907952, 2225944, 2384940, 2782430, 3179920, 3338916, 4173645, 4451888, 4769880, 5564860, 6677832, 8347290, 9539760, 11129720, 13355664, 16694580, 22259440, 33389160, 66778320]

約数ペア:

[(1, 66778320), (2, 33389160), (3, 22259440), (4, 16694580), (5, 13355664), (6, 11129720), (7, 9539760), (8, 8347290), (10, 6677832), (12, 5564860), (14, 4769880), (15, 4451888), (16, 4173645), (20, 3338916), (21, 3179920), (24, 2782430), (28, 2384940), (30, 2225944), (35, 1907952), (40, 1669458), (42, 1589960), (48, 1391215), (56, 1192470), (60, 1112972), (70, 953976), (80, 834729), (84, 794980), (105, 635984), (112, 596235), (120, 556486), (140, 476988), (168, 397490), (210, 317992), (240, 278243), (280, 238494), (336, 198745), (420, 158996), (560, 119247), (840, 79498), (1680, 39749)]