72101520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 243734400

約数和(自身を除く): 171632880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 419, 478, 717, 720, 838, 956, 1195, 1257, 1434, 1676, 1912, 2095, 2151, 2390, 2514, 2868, 3352, 3585, 3771, 3824, 4190, 4302, 4780, 5028, 5736, 6285, 6704, 7170, 7542, 8380, 8604, 9560, 10056, 10755, 11472, 12570, 14340, 15084, 16760, 17208, 18855, 19120, 20112, 21510, 25140, 28680, 30168, 33520, 34416, 37710, 43020, 50280, 57360, 60336, 75420, 86040, 100141, 100560, 150840, 172080, 200282, 300423, 301680, 400564, 500705, 600846, 801128, 901269, 1001410, 1201692, 1502115, 1602256, 1802538, 2002820, 2403384, 3004230, 3605076, 4005640, 4506345, 4806768, 6008460, 7210152, 8011280, 9012690, 12016920, 14420304, 18025380, 24033840, 36050760, 72101520]

約数ペア:

[(1, 72101520), (2, 36050760), (3, 24033840), (4, 18025380), (5, 14420304), (6, 12016920), (8, 9012690), (9, 8011280), (10, 7210152), (12, 6008460), (15, 4806768), (16, 4506345), (18, 4005640), (20, 3605076), (24, 3004230), (30, 2403384), (36, 2002820), (40, 1802538), (45, 1602256), (48, 1502115), (60, 1201692), (72, 1001410), (80, 901269), (90, 801128), (120, 600846), (144, 500705), (180, 400564), (239, 301680), (240, 300423), (360, 200282), (419, 172080), (478, 150840), (717, 100560), (720, 100141), (838, 86040), (956, 75420), (1195, 60336), (1257, 57360), (1434, 50280), (1676, 43020), (1912, 37710), (2095, 34416), (2151, 33520), (2390, 30168), (2514, 28680), (2868, 25140), (3352, 21510), (3585, 20112), (3771, 19120), (3824, 18855), (4190, 17208), (4302, 16760), (4780, 15084), (5028, 14340), (5736, 12570), (6285, 11472), (6704, 10755), (7170, 10056), (7542, 9560), (8380, 8604)]