685860

素因数分解:

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

素因数の和:113

約数の個数: 96

約数和(自身を含む): 2322432

約数和(自身を除く): 1636572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 71, 84, 92, 105, 115, 138, 140, 142, 161, 210, 213, 230, 276, 284, 322, 345, 355, 420, 426, 460, 483, 497, 644, 690, 710, 805, 852, 966, 994, 1065, 1380, 1420, 1491, 1610, 1633, 1932, 1988, 2130, 2415, 2485, 2982, 3220, 3266, 4260, 4830, 4899, 4970, 5964, 6532, 7455, 8165, 9660, 9798, 9940, 11431, 14910, 16330, 19596, 22862, 24495, 29820, 32660, 34293, 45724, 48990, 57155, 68586, 97980, 114310, 137172, 171465, 228620, 342930, 685860]

約数ペア:

[(1, 685860), (2, 342930), (3, 228620), (4, 171465), (5, 137172), (6, 114310), (7, 97980), (10, 68586), (12, 57155), (14, 48990), (15, 45724), (20, 34293), (21, 32660), (23, 29820), (28, 24495), (30, 22862), (35, 19596), (42, 16330), (46, 14910), (60, 11431), (69, 9940), (70, 9798), (71, 9660), (84, 8165), (92, 7455), (105, 6532), (115, 5964), (138, 4970), (140, 4899), (142, 4830), (161, 4260), (210, 3266), (213, 3220), (230, 2982), (276, 2485), (284, 2415), (322, 2130), (345, 1988), (355, 1932), (420, 1633), (426, 1610), (460, 1491), (483, 1420), (497, 1380), (644, 1065), (690, 994), (710, 966), (805, 852)]