16520280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 57646080

約数和(自身を除く): 41125800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 277, 280, 284, 355, 420, 426, 497, 554, 568, 710, 831, 840, 852, 994, 1065, 1108, 1385, 1420, 1491, 1662, 1704, 1939, 1988, 2130, 2216, 2485, 2770, 2840, 2982, 3324, 3878, 3976, 4155, 4260, 4970, 5540, 5817, 5964, 6648, 7455, 7756, 8310, 8520, 9695, 9940, 11080, 11634, 11928, 14910, 15512, 16620, 19390, 19667, 19880, 23268, 29085, 29820, 33240, 38780, 39334, 46536, 58170, 59001, 59640, 77560, 78668, 98335, 116340, 118002, 137669, 157336, 196670, 232680, 236004, 275338, 295005, 393340, 413007, 472008, 550676, 590010, 688345, 786680, 826014, 1101352, 1180020, 1376690, 1652028, 2065035, 2360040, 2753380, 3304056, 4130070, 5506760, 8260140, 16520280]

約数ペア:

[(1, 16520280), (2, 8260140), (3, 5506760), (4, 4130070), (5, 3304056), (6, 2753380), (7, 2360040), (8, 2065035), (10, 1652028), (12, 1376690), (14, 1180020), (15, 1101352), (20, 826014), (21, 786680), (24, 688345), (28, 590010), (30, 550676), (35, 472008), (40, 413007), (42, 393340), (56, 295005), (60, 275338), (70, 236004), (71, 232680), (84, 196670), (105, 157336), (120, 137669), (140, 118002), (142, 116340), (168, 98335), (210, 78668), (213, 77560), (277, 59640), (280, 59001), (284, 58170), (355, 46536), (420, 39334), (426, 38780), (497, 33240), (554, 29820), (568, 29085), (710, 23268), (831, 19880), (840, 19667), (852, 19390), (994, 16620), (1065, 15512), (1108, 14910), (1385, 11928), (1420, 11634), (1491, 11080), (1662, 9940), (1704, 9695), (1939, 8520), (1988, 8310), (2130, 7756), (2216, 7455), (2485, 6648), (2770, 5964), (2840, 5817), (2982, 5540), (3324, 4970), (3878, 4260), (3976, 4155)]