24780420

素因数分解:

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

素因数の和:370

約数の個数: 144

約数和(自身を含む): 87429888

約数和(自身を除く): 62649468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 277, 284, 315, 355, 420, 426, 497, 554, 630, 639, 710, 831, 852, 994, 1065, 1108, 1260, 1278, 1385, 1420, 1491, 1662, 1939, 1988, 2130, 2485, 2493, 2556, 2770, 2982, 3195, 3324, 3878, 4155, 4260, 4473, 4970, 4986, 5540, 5817, 5964, 6390, 7455, 7756, 8310, 8946, 9695, 9940, 9972, 11634, 12465, 12780, 14910, 16620, 17451, 17892, 19390, 19667, 22365, 23268, 24930, 29085, 29820, 34902, 38780, 39334, 44730, 49860, 58170, 59001, 69804, 78668, 87255, 89460, 98335, 116340, 118002, 137669, 174510, 177003, 196670, 236004, 275338, 295005, 349020, 354006, 393340, 413007, 550676, 590010, 688345, 708012, 826014, 885015, 1180020, 1239021, 1376690, 1652028, 1770030, 2065035, 2478042, 2753380, 3540060, 4130070, 4956084, 6195105, 8260140, 12390210, 24780420]

約数ペア:

[(1, 24780420), (2, 12390210), (3, 8260140), (4, 6195105), (5, 4956084), (6, 4130070), (7, 3540060), (9, 2753380), (10, 2478042), (12, 2065035), (14, 1770030), (15, 1652028), (18, 1376690), (20, 1239021), (21, 1180020), (28, 885015), (30, 826014), (35, 708012), (36, 688345), (42, 590010), (45, 550676), (60, 413007), (63, 393340), (70, 354006), (71, 349020), (84, 295005), (90, 275338), (105, 236004), (126, 196670), (140, 177003), (142, 174510), (180, 137669), (210, 118002), (213, 116340), (252, 98335), (277, 89460), (284, 87255), (315, 78668), (355, 69804), (420, 59001), (426, 58170), (497, 49860), (554, 44730), (630, 39334), (639, 38780), (710, 34902), (831, 29820), (852, 29085), (994, 24930), (1065, 23268), (1108, 22365), (1260, 19667), (1278, 19390), (1385, 17892), (1420, 17451), (1491, 16620), (1662, 14910), (1939, 12780), (1988, 12465), (2130, 11634), (2485, 9972), (2493, 9940), (2556, 9695), (2770, 8946), (2982, 8310), (3195, 7756), (3324, 7455), (3878, 6390), (4155, 5964), (4260, 5817), (4473, 5540), (4970, 4986)]