81408480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5520

約数の個数: 96

約数和(自身を含む): 264757248

約数和(自身を除く): 183348768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 5471, 7440, 10942, 14880, 16413, 21884, 27355, 32826, 43768, 54710, 65652, 82065, 87536, 109420, 131304, 164130, 169601, 175072, 218840, 262608, 328260, 339202, 437680, 508803, 525216, 656520, 678404, 848005, 875360, 1017606, 1313040, 1356808, 1696010, 2035212, 2544015, 2626080, 2713616, 3392020, 4070424, 5088030, 5427232, 6784040, 8140848, 10176060, 13568080, 16281696, 20352120, 27136160, 40704240, 81408480]

約数ペア:

[(1, 81408480), (2, 40704240), (3, 27136160), (4, 20352120), (5, 16281696), (6, 13568080), (8, 10176060), (10, 8140848), (12, 6784040), (15, 5427232), (16, 5088030), (20, 4070424), (24, 3392020), (30, 2713616), (31, 2626080), (32, 2544015), (40, 2035212), (48, 1696010), (60, 1356808), (62, 1313040), (80, 1017606), (93, 875360), (96, 848005), (120, 678404), (124, 656520), (155, 525216), (160, 508803), (186, 437680), (240, 339202), (248, 328260), (310, 262608), (372, 218840), (465, 175072), (480, 169601), (496, 164130), (620, 131304), (744, 109420), (930, 87536), (992, 82065), (1240, 65652), (1488, 54710), (1860, 43768), (2480, 32826), (2976, 27355), (3720, 21884), (4960, 16413), (5471, 14880), (7440, 10942)]