255464040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1973}}^1$

素因数の和:2083

約数の個数: 128

約数和(自身を含む): 835712640

約数和(自身を除く): 580248600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 249, 260, 312, 332, 390, 415, 498, 520, 664, 780, 830, 996, 1079, 1245, 1560, 1660, 1973, 1992, 2158, 2490, 3237, 3320, 3946, 4316, 4980, 5395, 5919, 6474, 7892, 8632, 9865, 9960, 10790, 11838, 12948, 15784, 16185, 19730, 21580, 23676, 25649, 25896, 29595, 32370, 39460, 43160, 47352, 51298, 59190, 64740, 76947, 78920, 102596, 118380, 128245, 129480, 153894, 163759, 205192, 236760, 256490, 307788, 327518, 384735, 491277, 512980, 615576, 655036, 769470, 818795, 982554, 1025960, 1310072, 1538940, 1637590, 1965108, 2128867, 2456385, 3077880, 3275180, 3930216, 4257734, 4912770, 6386601, 6550360, 8515468, 9825540, 10644335, 12773202, 17030936, 19651080, 21288670, 25546404, 31933005, 42577340, 51092808, 63866010, 85154680, 127732020, 255464040]

約数ペア:

[(1, 255464040), (2, 127732020), (3, 85154680), (4, 63866010), (5, 51092808), (6, 42577340), (8, 31933005), (10, 25546404), (12, 21288670), (13, 19651080), (15, 17030936), (20, 12773202), (24, 10644335), (26, 9825540), (30, 8515468), (39, 6550360), (40, 6386601), (52, 4912770), (60, 4257734), (65, 3930216), (78, 3275180), (83, 3077880), (104, 2456385), (120, 2128867), (130, 1965108), (156, 1637590), (166, 1538940), (195, 1310072), (249, 1025960), (260, 982554), (312, 818795), (332, 769470), (390, 655036), (415, 615576), (498, 512980), (520, 491277), (664, 384735), (780, 327518), (830, 307788), (996, 256490), (1079, 236760), (1245, 205192), (1560, 163759), (1660, 153894), (1973, 129480), (1992, 128245), (2158, 118380), (2490, 102596), (3237, 78920), (3320, 76947), (3946, 64740), (4316, 59190), (4980, 51298), (5395, 47352), (5919, 43160), (6474, 39460), (7892, 32370), (8632, 29595), (9865, 25896), (9960, 25649), (10790, 23676), (11838, 21580), (12948, 19730), (15784, 16185)]