81048720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1697}}^1$

素因数の和:1912

約数の個数: 80

約数和(自身を含む): 252662400

約数和(自身を除く): 171613680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 199, 240, 398, 597, 796, 995, 1194, 1592, 1697, 1990, 2388, 2985, 3184, 3394, 3980, 4776, 5091, 5970, 6788, 7960, 8485, 9552, 10182, 11940, 13576, 15920, 16970, 20364, 23880, 25455, 27152, 33940, 40728, 47760, 50910, 67880, 81456, 101820, 135760, 203640, 337703, 407280, 675406, 1013109, 1350812, 1688515, 2026218, 2701624, 3377030, 4052436, 5065545, 5403248, 6754060, 8104872, 10131090, 13508120, 16209744, 20262180, 27016240, 40524360, 81048720]

約数ペア:

[(1, 81048720), (2, 40524360), (3, 27016240), (4, 20262180), (5, 16209744), (6, 13508120), (8, 10131090), (10, 8104872), (12, 6754060), (15, 5403248), (16, 5065545), (20, 4052436), (24, 3377030), (30, 2701624), (40, 2026218), (48, 1688515), (60, 1350812), (80, 1013109), (120, 675406), (199, 407280), (240, 337703), (398, 203640), (597, 135760), (796, 101820), (995, 81456), (1194, 67880), (1592, 50910), (1697, 47760), (1990, 40728), (2388, 33940), (2985, 27152), (3184, 25455), (3394, 23880), (3980, 20364), (4776, 16970), (5091, 15920), (5970, 13576), (6788, 11940), (7960, 10182), (8485, 9552)]