81880492428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{194681}}^1$

素因数の和:196367

約数の個数: 72

約数和(自身を含む): 236686588320

約数和(自身を除く): 154806095892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1669, 3338, 5007, 6676, 10014, 11683, 15021, 20028, 23366, 30042, 35049, 46732, 60084, 70098, 105147, 140196, 194681, 210294, 389362, 420588, 584043, 778724, 1168086, 1362767, 1752129, 2336172, 2725534, 3504258, 4088301, 5451068, 7008516, 8176602, 12264903, 16353204, 24529806, 49059612, 324922589, 649845178, 974767767, 1299690356, 1949535534, 2274458123, 2924303301, 3899071068, 4548916246, 5848606602, 6823374369, 9097832492, 11697213204, 13646748738, 20470123107, 27293497476, 40940246214, 81880492428]

約数ペア:

[(1, 81880492428), (2, 40940246214), (3, 27293497476), (4, 20470123107), (6, 13646748738), (7, 11697213204), (9, 9097832492), (12, 6823374369), (14, 5848606602), (18, 4548916246), (21, 3899071068), (28, 2924303301), (36, 2274458123), (42, 1949535534), (63, 1299690356), (84, 974767767), (126, 649845178), (252, 324922589), (1669, 49059612), (3338, 24529806), (5007, 16353204), (6676, 12264903), (10014, 8176602), (11683, 7008516), (15021, 5451068), (20028, 4088301), (23366, 3504258), (30042, 2725534), (35049, 2336172), (46732, 1752129), (60084, 1362767), (70098, 1168086), (105147, 778724), (140196, 584043), (194681, 420588), (210294, 389362)]