123483780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4261}}^1$

素因数の和:4306

約数の個数: 144

約数和(自身を含む): 446793984

約数和(自身を除く): 323310204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4261, 4830, 5796, 7245, 8522, 9660, 12783, 14490, 17044, 21305, 25566, 28980, 29827, 38349, 42610, 51132, 59654, 63915, 76698, 85220, 89481, 98003, 119308, 127830, 149135, 153396, 178962, 191745, 196006, 255660, 268443, 294009, 298270, 357924, 383490, 392012, 447405, 490015, 536886, 588018, 596540, 686021, 766980, 882027, 894810, 980030, 1073772, 1176036, 1342215, 1372042, 1470045, 1764054, 1789620, 1960060, 2058063, 2684430, 2744084, 2940090, 3430105, 3528108, 4116126, 4410135, 5368860, 5880180, 6174189, 6860210, 8232252, 8820270, 10290315, 12348378, 13720420, 17640540, 20580630, 24696756, 30870945, 41161260, 61741890, 123483780]

約数ペア:

[(1, 123483780), (2, 61741890), (3, 41161260), (4, 30870945), (5, 24696756), (6, 20580630), (7, 17640540), (9, 13720420), (10, 12348378), (12, 10290315), (14, 8820270), (15, 8232252), (18, 6860210), (20, 6174189), (21, 5880180), (23, 5368860), (28, 4410135), (30, 4116126), (35, 3528108), (36, 3430105), (42, 2940090), (45, 2744084), (46, 2684430), (60, 2058063), (63, 1960060), (69, 1789620), (70, 1764054), (84, 1470045), (90, 1372042), (92, 1342215), (105, 1176036), (115, 1073772), (126, 980030), (138, 894810), (140, 882027), (161, 766980), (180, 686021), (207, 596540), (210, 588018), (230, 536886), (252, 490015), (276, 447405), (315, 392012), (322, 383490), (345, 357924), (414, 298270), (420, 294009), (460, 268443), (483, 255660), (630, 196006), (644, 191745), (690, 178962), (805, 153396), (828, 149135), (966, 127830), (1035, 119308), (1260, 98003), (1380, 89481), (1449, 85220), (1610, 76698), (1932, 63915), (2070, 59654), (2415, 51132), (2898, 42610), (3220, 38349), (4140, 29827), (4261, 28980), (4830, 25566), (5796, 21305), (7245, 17044), (8522, 14490), (9660, 12783)]