1371720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 4976640

約数和(自身を除く): 3604920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 71, 84, 92, 105, 115, 120, 138, 140, 142, 161, 168, 184, 210, 213, 230, 276, 280, 284, 322, 345, 355, 420, 426, 460, 483, 497, 552, 568, 644, 690, 710, 805, 840, 852, 920, 966, 994, 1065, 1288, 1380, 1420, 1491, 1610, 1633, 1704, 1932, 1988, 2130, 2415, 2485, 2760, 2840, 2982, 3220, 3266, 3864, 3976, 4260, 4830, 4899, 4970, 5964, 6440, 6532, 7455, 8165, 8520, 9660, 9798, 9940, 11431, 11928, 13064, 14910, 16330, 19320, 19596, 19880, 22862, 24495, 29820, 32660, 34293, 39192, 45724, 48990, 57155, 59640, 65320, 68586, 91448, 97980, 114310, 137172, 171465, 195960, 228620, 274344, 342930, 457240, 685860, 1371720]

約数ペア:

[(1, 1371720), (2, 685860), (3, 457240), (4, 342930), (5, 274344), (6, 228620), (7, 195960), (8, 171465), (10, 137172), (12, 114310), (14, 97980), (15, 91448), (20, 68586), (21, 65320), (23, 59640), (24, 57155), (28, 48990), (30, 45724), (35, 39192), (40, 34293), (42, 32660), (46, 29820), (56, 24495), (60, 22862), (69, 19880), (70, 19596), (71, 19320), (84, 16330), (92, 14910), (105, 13064), (115, 11928), (120, 11431), (138, 9940), (140, 9798), (142, 9660), (161, 8520), (168, 8165), (184, 7455), (210, 6532), (213, 6440), (230, 5964), (276, 4970), (280, 4899), (284, 4830), (322, 4260), (345, 3976), (355, 3864), (420, 3266), (426, 3220), (460, 2982), (483, 2840), (497, 2760), (552, 2485), (568, 2415), (644, 2130), (690, 1988), (710, 1932), (805, 1704), (840, 1633), (852, 1610), (920, 1491), (966, 1420), (994, 1380), (1065, 1288)]