80765880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2301

約数の個数: 128

約数和(自身を含む): 272401920

約数和(自身を除く): 191636040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2251, 2392, 2760, 2990, 3588, 4485, 4502, 5980, 6753, 7176, 8970, 9004, 11255, 11960, 13506, 17940, 18008, 22510, 27012, 29263, 33765, 35880, 45020, 51773, 54024, 58526, 67530, 87789, 90040, 103546, 117052, 135060, 146315, 155319, 175578, 207092, 234104, 258865, 270120, 292630, 310638, 351156, 414184, 438945, 517730, 585260, 621276, 673049, 702312, 776595, 877890, 1035460, 1170520, 1242552, 1346098, 1553190, 1755780, 2019147, 2070920, 2692196, 3106380, 3365245, 3511560, 4038294, 5384392, 6212760, 6730490, 8076588, 10095735, 13460980, 16153176, 20191470, 26921960, 40382940, 80765880]

約数ペア:

[(1, 80765880), (2, 40382940), (3, 26921960), (4, 20191470), (5, 16153176), (6, 13460980), (8, 10095735), (10, 8076588), (12, 6730490), (13, 6212760), (15, 5384392), (20, 4038294), (23, 3511560), (24, 3365245), (26, 3106380), (30, 2692196), (39, 2070920), (40, 2019147), (46, 1755780), (52, 1553190), (60, 1346098), (65, 1242552), (69, 1170520), (78, 1035460), (92, 877890), (104, 776595), (115, 702312), (120, 673049), (130, 621276), (138, 585260), (156, 517730), (184, 438945), (195, 414184), (230, 351156), (260, 310638), (276, 292630), (299, 270120), (312, 258865), (345, 234104), (390, 207092), (460, 175578), (520, 155319), (552, 146315), (598, 135060), (690, 117052), (780, 103546), (897, 90040), (920, 87789), (1196, 67530), (1380, 58526), (1495, 54024), (1560, 51773), (1794, 45020), (2251, 35880), (2392, 33765), (2760, 29263), (2990, 27012), (3588, 22510), (4485, 18008), (4502, 17940), (5980, 13506), (6753, 11960), (7176, 11255), (8970, 9004)]