128683920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4093}}^1$

素因数の和:4240

約数の個数: 80

約数和(自身を含む): 402063552

約数和(自身を除く): 273379632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4093, 5240, 6288, 7860, 8186, 10480, 12279, 15720, 16372, 20465, 24558, 31440, 32744, 40930, 49116, 61395, 65488, 81860, 98232, 122790, 163720, 196464, 245580, 327440, 491160, 536183, 982320, 1072366, 1608549, 2144732, 2680915, 3217098, 4289464, 5361830, 6434196, 8042745, 8578928, 10723660, 12868392, 16085490, 21447320, 25736784, 32170980, 42894640, 64341960, 128683920]

約数ペア:

[(1, 128683920), (2, 64341960), (3, 42894640), (4, 32170980), (5, 25736784), (6, 21447320), (8, 16085490), (10, 12868392), (12, 10723660), (15, 8578928), (16, 8042745), (20, 6434196), (24, 5361830), (30, 4289464), (40, 3217098), (48, 2680915), (60, 2144732), (80, 1608549), (120, 1072366), (131, 982320), (240, 536183), (262, 491160), (393, 327440), (524, 245580), (655, 196464), (786, 163720), (1048, 122790), (1310, 98232), (1572, 81860), (1965, 65488), (2096, 61395), (2620, 49116), (3144, 40930), (3930, 32744), (4093, 31440), (5240, 24558), (6288, 20465), (7860, 16372), (8186, 15720), (10480, 12279)]