656040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 2488320

約数和(自身を除く): 1832280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 71, 77, 84, 88, 105, 110, 120, 132, 140, 142, 154, 165, 168, 210, 213, 220, 231, 264, 280, 284, 308, 330, 355, 385, 420, 426, 440, 462, 497, 568, 616, 660, 710, 770, 781, 840, 852, 924, 994, 1065, 1155, 1320, 1420, 1491, 1540, 1562, 1704, 1848, 1988, 2130, 2310, 2343, 2485, 2840, 2982, 3080, 3124, 3905, 3976, 4260, 4620, 4686, 4970, 5467, 5964, 6248, 7455, 7810, 8520, 9240, 9372, 9940, 10934, 11715, 11928, 14910, 15620, 16401, 18744, 19880, 21868, 23430, 27335, 29820, 31240, 32802, 43736, 46860, 54670, 59640, 65604, 82005, 93720, 109340, 131208, 164010, 218680, 328020, 656040]

約数ペア:

[(1, 656040), (2, 328020), (3, 218680), (4, 164010), (5, 131208), (6, 109340), (7, 93720), (8, 82005), (10, 65604), (11, 59640), (12, 54670), (14, 46860), (15, 43736), (20, 32802), (21, 31240), (22, 29820), (24, 27335), (28, 23430), (30, 21868), (33, 19880), (35, 18744), (40, 16401), (42, 15620), (44, 14910), (55, 11928), (56, 11715), (60, 10934), (66, 9940), (70, 9372), (71, 9240), (77, 8520), (84, 7810), (88, 7455), (105, 6248), (110, 5964), (120, 5467), (132, 4970), (140, 4686), (142, 4620), (154, 4260), (165, 3976), (168, 3905), (210, 3124), (213, 3080), (220, 2982), (231, 2840), (264, 2485), (280, 2343), (284, 2310), (308, 2130), (330, 1988), (355, 1848), (385, 1704), (420, 1562), (426, 1540), (440, 1491), (462, 1420), (497, 1320), (568, 1155), (616, 1065), (660, 994), (710, 924), (770, 852), (781, 840)]