128542320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178531}}^1$

素因数の和:178550

約数の個数: 60

約数和(自身を含む): 431690376

約数和(自身を除く): 303148056

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, 240, 360, 720, 178531, 357062, 535593, 714124, 892655, 1071186, 1428248, 1606779, 1785310, 2142372, 2677965, 2856496, 3213558, 3570620, 4284744, 5355930, 6427116, 7141240, 8033895, 8569488, 10711860, 12854232, 14282480, 16067790, 21423720, 25708464, 32135580, 42847440, 64271160, 128542320]

約数ペア:

[(1, 128542320), (2, 64271160), (3, 42847440), (4, 32135580), (5, 25708464), (6, 21423720), (8, 16067790), (9, 14282480), (10, 12854232), (12, 10711860), (15, 8569488), (16, 8033895), (18, 7141240), (20, 6427116), (24, 5355930), (30, 4284744), (36, 3570620), (40, 3213558), (45, 2856496), (48, 2677965), (60, 2142372), (72, 1785310), (80, 1606779), (90, 1428248), (120, 1071186), (144, 892655), (180, 714124), (240, 535593), (360, 357062), (720, 178531)]