64884120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{77243}}^1$

素因数の和:77264

約数の個数: 64

約数和(自身を含む): 222462720

約数和(自身を除く): 157578600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 77243, 154486, 231729, 308972, 386215, 463458, 540701, 617944, 772430, 926916, 1081402, 1158645, 1544860, 1622103, 1853832, 2162804, 2317290, 2703505, 3089720, 3244206, 4325608, 4634580, 5407010, 6488412, 8110515, 9269160, 10814020, 12976824, 16221030, 21628040, 32442060, 64884120]

約数ペア:

[(1, 64884120), (2, 32442060), (3, 21628040), (4, 16221030), (5, 12976824), (6, 10814020), (7, 9269160), (8, 8110515), (10, 6488412), (12, 5407010), (14, 4634580), (15, 4325608), (20, 3244206), (21, 3089720), (24, 2703505), (28, 2317290), (30, 2162804), (35, 1853832), (40, 1622103), (42, 1544860), (56, 1158645), (60, 1081402), (70, 926916), (84, 772430), (105, 617944), (120, 540701), (140, 463458), (168, 386215), (210, 308972), (280, 231729), (420, 154486), (840, 77243)]