128645400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16493}}^1$

素因数の和:16525

約数の個数: 96

約数和(自身を含む): 429503760

約数和(自身を除く): 300858360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 16493, 32986, 49479, 65972, 82465, 98958, 131944, 164930, 197916, 214409, 247395, 329860, 395832, 412325, 428818, 494790, 643227, 659720, 824650, 857636, 989580, 1072045, 1236975, 1286454, 1649300, 1715272, 1979160, 2144090, 2473950, 2572908, 3216135, 3298600, 4288180, 4947900, 5145816, 5360225, 6432270, 8576360, 9895800, 10720450, 12864540, 16080675, 21440900, 25729080, 32161350, 42881800, 64322700, 128645400]

約数ペア:

[(1, 128645400), (2, 64322700), (3, 42881800), (4, 32161350), (5, 25729080), (6, 21440900), (8, 16080675), (10, 12864540), (12, 10720450), (13, 9895800), (15, 8576360), (20, 6432270), (24, 5360225), (25, 5145816), (26, 4947900), (30, 4288180), (39, 3298600), (40, 3216135), (50, 2572908), (52, 2473950), (60, 2144090), (65, 1979160), (75, 1715272), (78, 1649300), (100, 1286454), (104, 1236975), (120, 1072045), (130, 989580), (150, 857636), (156, 824650), (195, 659720), (200, 643227), (260, 494790), (300, 428818), (312, 412325), (325, 395832), (390, 329860), (520, 247395), (600, 214409), (650, 197916), (780, 164930), (975, 131944), (1300, 98958), (1560, 82465), (1950, 65972), (2600, 49479), (3900, 32986), (7800, 16493)]