180995880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 589276800

約数和(自身を除く): 408280920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 520, 628, 739, 780, 785, 942, 1256, 1478, 1560, 1570, 1884, 2041, 2217, 2355, 2956, 3140, 3695, 3768, 4082, 4434, 4710, 5912, 6123, 6280, 7390, 8164, 8868, 9420, 9607, 10205, 11085, 12246, 14780, 16328, 17736, 18840, 19214, 20410, 22170, 24492, 28821, 29560, 30615, 38428, 40820, 44340, 48035, 48984, 57642, 61230, 76856, 81640, 88680, 96070, 115284, 116023, 122460, 144105, 192140, 230568, 232046, 244920, 288210, 348069, 384280, 464092, 576420, 580115, 696138, 928184, 1152840, 1160230, 1392276, 1508299, 1740345, 2320460, 2784552, 3016598, 3480690, 4524897, 4640920, 6033196, 6961380, 7541495, 9049794, 12066392, 13922760, 15082990, 18099588, 22624485, 30165980, 36199176, 45248970, 60331960, 90497940, 180995880]

約数ペア:

[(1, 180995880), (2, 90497940), (3, 60331960), (4, 45248970), (5, 36199176), (6, 30165980), (8, 22624485), (10, 18099588), (12, 15082990), (13, 13922760), (15, 12066392), (20, 9049794), (24, 7541495), (26, 6961380), (30, 6033196), (39, 4640920), (40, 4524897), (52, 3480690), (60, 3016598), (65, 2784552), (78, 2320460), (104, 1740345), (120, 1508299), (130, 1392276), (156, 1160230), (157, 1152840), (195, 928184), (260, 696138), (312, 580115), (314, 576420), (390, 464092), (471, 384280), (520, 348069), (628, 288210), (739, 244920), (780, 232046), (785, 230568), (942, 192140), (1256, 144105), (1478, 122460), (1560, 116023), (1570, 115284), (1884, 96070), (2041, 88680), (2217, 81640), (2355, 76856), (2956, 61230), (3140, 57642), (3695, 48984), (3768, 48035), (4082, 44340), (4434, 40820), (4710, 38428), (5912, 30615), (6123, 29560), (6280, 28821), (7390, 24492), (8164, 22170), (8868, 20410), (9420, 19214), (9607, 18840), (10205, 17736), (11085, 16328), (12246, 14780)]