240739920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1657

約数の個数: 120

約数和(自身を含む): 812448000

約数和(自身を除く): 571708080

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, 478, 717, 720, 956, 1195, 1399, 1434, 1912, 2151, 2390, 2798, 2868, 3585, 3824, 4197, 4302, 4780, 5596, 5736, 6995, 7170, 8394, 8604, 9560, 10755, 11192, 11472, 12591, 13990, 14340, 16788, 17208, 19120, 20985, 21510, 22384, 25182, 27980, 28680, 33576, 34416, 41970, 43020, 50364, 55960, 57360, 62955, 67152, 83940, 86040, 100728, 111920, 125910, 167880, 172080, 201456, 251820, 334361, 335760, 503640, 668722, 1003083, 1007280, 1337444, 1671805, 2006166, 2674888, 3009249, 3343610, 4012332, 5015415, 5349776, 6018498, 6687220, 8024664, 10030830, 12036996, 13374440, 15046245, 16049328, 20061660, 24073992, 26748880, 30092490, 40123320, 48147984, 60184980, 80246640, 120369960, 240739920]

約数ペア:

[(1, 240739920), (2, 120369960), (3, 80246640), (4, 60184980), (5, 48147984), (6, 40123320), (8, 30092490), (9, 26748880), (10, 24073992), (12, 20061660), (15, 16049328), (16, 15046245), (18, 13374440), (20, 12036996), (24, 10030830), (30, 8024664), (36, 6687220), (40, 6018498), (45, 5349776), (48, 5015415), (60, 4012332), (72, 3343610), (80, 3009249), (90, 2674888), (120, 2006166), (144, 1671805), (180, 1337444), (239, 1007280), (240, 1003083), (360, 668722), (478, 503640), (717, 335760), (720, 334361), (956, 251820), (1195, 201456), (1399, 172080), (1434, 167880), (1912, 125910), (2151, 111920), (2390, 100728), (2798, 86040), (2868, 83940), (3585, 67152), (3824, 62955), (4197, 57360), (4302, 55960), (4780, 50364), (5596, 43020), (5736, 41970), (6995, 34416), (7170, 33576), (8394, 28680), (8604, 27980), (9560, 25182), (10755, 22384), (11192, 21510), (11472, 20985), (12591, 19120), (13990, 17208), (14340, 16788)]