79120920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 250905600

約数和(自身を除く): 171784680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 109, 115, 120, 138, 184, 218, 230, 263, 276, 327, 345, 436, 460, 526, 545, 552, 654, 690, 789, 872, 920, 1052, 1090, 1308, 1315, 1380, 1578, 1635, 2104, 2180, 2507, 2616, 2630, 2760, 3156, 3270, 3945, 4360, 5014, 5260, 6049, 6312, 6540, 7521, 7890, 10028, 10520, 12098, 12535, 13080, 15042, 15780, 18147, 20056, 24196, 25070, 28667, 30084, 30245, 31560, 36294, 37605, 48392, 50140, 57334, 60168, 60490, 72588, 75210, 86001, 90735, 100280, 114668, 120980, 143335, 145176, 150420, 172002, 181470, 229336, 241960, 286670, 300840, 344004, 362940, 430005, 573340, 659341, 688008, 725880, 860010, 1146680, 1318682, 1720020, 1978023, 2637364, 3296705, 3440040, 3956046, 5274728, 6593410, 7912092, 9890115, 13186820, 15824184, 19780230, 26373640, 39560460, 79120920]

約数ペア:

[(1, 79120920), (2, 39560460), (3, 26373640), (4, 19780230), (5, 15824184), (6, 13186820), (8, 9890115), (10, 7912092), (12, 6593410), (15, 5274728), (20, 3956046), (23, 3440040), (24, 3296705), (30, 2637364), (40, 1978023), (46, 1720020), (60, 1318682), (69, 1146680), (92, 860010), (109, 725880), (115, 688008), (120, 659341), (138, 573340), (184, 430005), (218, 362940), (230, 344004), (263, 300840), (276, 286670), (327, 241960), (345, 229336), (436, 181470), (460, 172002), (526, 150420), (545, 145176), (552, 143335), (654, 120980), (690, 114668), (789, 100280), (872, 90735), (920, 86001), (1052, 75210), (1090, 72588), (1308, 60490), (1315, 60168), (1380, 57334), (1578, 50140), (1635, 48392), (2104, 37605), (2180, 36294), (2507, 31560), (2616, 30245), (2630, 30084), (2760, 28667), (3156, 25070), (3270, 24196), (3945, 20056), (4360, 18147), (5014, 15780), (5260, 15042), (6049, 13080), (6312, 12535), (6540, 12098), (7521, 10520), (7890, 10028)]