18380017857025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{4789}}^1\times {\mathrm{55163}}^1$

素因数の和:60007

約数の個数: 72

約数和(自身を含む): 26146637133120

約数和(自身を除く): 7766619276095

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 253, 275, 575, 605, 1265, 2783, 3025, 4789, 6325, 13915, 23945, 52679, 55163, 69575, 110147, 119725, 263395, 275815, 550735, 579469, 606793, 1211617, 1268749, 1316975, 1379075, 2753675, 2897345, 3033965, 6058085, 6343745, 6674723, 13327787, 13956239, 14486725, 15169825, 30290425, 31718725, 33373615, 66638935, 69781195, 153518629, 166868075, 264175607, 333194675, 348905975, 767593145, 1320878035, 2905931677, 3837965725, 6076038961, 6604390175, 14529658385, 30380194805, 31965248447, 66836428571, 72648291925, 151900974025, 159826242235, 334182142855, 735200714281, 799131211175, 1670910714275, 3676003571405, 18380017857025]

約数ペア:

[(1, 18380017857025), (5, 3676003571405), (11, 1670910714275), (23, 799131211175), (25, 735200714281), (55, 334182142855), (115, 159826242235), (121, 151900974025), (253, 72648291925), (275, 66836428571), (575, 31965248447), (605, 30380194805), (1265, 14529658385), (2783, 6604390175), (3025, 6076038961), (4789, 3837965725), (6325, 2905931677), (13915, 1320878035), (23945, 767593145), (52679, 348905975), (55163, 333194675), (69575, 264175607), (110147, 166868075), (119725, 153518629), (263395, 69781195), (275815, 66638935), (550735, 33373615), (579469, 31718725), (606793, 30290425), (1211617, 15169825), (1268749, 14486725), (1316975, 13956239), (1379075, 13327787), (2753675, 6674723), (2897345, 6343745), (3033965, 6058085)]