64544340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 207728640

約数和(自身を除く): 143184300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 643, 717, 956, 1195, 1286, 1434, 1673, 1929, 2390, 2572, 2868, 3215, 3346, 3585, 3858, 4501, 4780, 5019, 6430, 6692, 7170, 7716, 8365, 9002, 9645, 10038, 12860, 13503, 14340, 16730, 18004, 19290, 20076, 22505, 25095, 27006, 33460, 38580, 45010, 50190, 54012, 67515, 90020, 100380, 135030, 153677, 270060, 307354, 461031, 614708, 768385, 922062, 1075739, 1536770, 1844124, 2151478, 2305155, 3073540, 3227217, 4302956, 4610310, 5378695, 6454434, 9220620, 10757390, 12908868, 16136085, 21514780, 32272170, 64544340]

約数ペア:

[(1, 64544340), (2, 32272170), (3, 21514780), (4, 16136085), (5, 12908868), (6, 10757390), (7, 9220620), (10, 6454434), (12, 5378695), (14, 4610310), (15, 4302956), (20, 3227217), (21, 3073540), (28, 2305155), (30, 2151478), (35, 1844124), (42, 1536770), (60, 1075739), (70, 922062), (84, 768385), (105, 614708), (140, 461031), (210, 307354), (239, 270060), (420, 153677), (478, 135030), (643, 100380), (717, 90020), (956, 67515), (1195, 54012), (1286, 50190), (1434, 45010), (1673, 38580), (1929, 33460), (2390, 27006), (2572, 25095), (2868, 22505), (3215, 20076), (3346, 19290), (3585, 18004), (3858, 16730), (4501, 14340), (4780, 13503), (5019, 12860), (6430, 10038), (6692, 9645), (7170, 9002), (7716, 8365)]