129684880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6563}}^1$

素因数の和:6608

約数の個数: 80

約数和(自身を含む): 341853120

約数和(自身を除く): 212168240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 6563, 9880, 13126, 19760, 26252, 32815, 52504, 65630, 85319, 105008, 124697, 131260, 170638, 249394, 262520, 341276, 426595, 498788, 525040, 623485, 682552, 853190, 997576, 1246970, 1365104, 1621061, 1706380, 1995152, 2493940, 3242122, 3412760, 4987880, 6484244, 6825520, 8105305, 9975760, 12968488, 16210610, 25936976, 32421220, 64842440, 129684880]

約数ペア:

[(1, 129684880), (2, 64842440), (4, 32421220), (5, 25936976), (8, 16210610), (10, 12968488), (13, 9975760), (16, 8105305), (19, 6825520), (20, 6484244), (26, 4987880), (38, 3412760), (40, 3242122), (52, 2493940), (65, 1995152), (76, 1706380), (80, 1621061), (95, 1365104), (104, 1246970), (130, 997576), (152, 853190), (190, 682552), (208, 623485), (247, 525040), (260, 498788), (304, 426595), (380, 341276), (494, 262520), (520, 249394), (760, 170638), (988, 131260), (1040, 124697), (1235, 105008), (1520, 85319), (1976, 65630), (2470, 52504), (3952, 32815), (4940, 26252), (6563, 19760), (9880, 13126)]