128492280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{50989}}^1$

素因数の和:51013

約数の個数: 96

約数和(自身を含む): 477266400

約数和(自身を除く): 348774120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 50989, 101978, 152967, 203956, 254945, 305934, 356923, 407912, 458901, 509890, 611868, 713846, 764835, 917802, 1019780, 1070769, 1223736, 1427692, 1529670, 1784615, 1835604, 2039560, 2141538, 2294505, 2855384, 3059340, 3212307, 3569230, 3671208, 4283076, 4589010, 5353845, 6118680, 6424614, 7138460, 8566152, 9178020, 10707690, 12849228, 14276920, 16061535, 18356040, 21415380, 25698456, 32123070, 42830760, 64246140, 128492280]

約数ペア:

[(1, 128492280), (2, 64246140), (3, 42830760), (4, 32123070), (5, 25698456), (6, 21415380), (7, 18356040), (8, 16061535), (9, 14276920), (10, 12849228), (12, 10707690), (14, 9178020), (15, 8566152), (18, 7138460), (20, 6424614), (21, 6118680), (24, 5353845), (28, 4589010), (30, 4283076), (35, 3671208), (36, 3569230), (40, 3212307), (42, 3059340), (45, 2855384), (56, 2294505), (60, 2141538), (63, 2039560), (70, 1835604), (72, 1784615), (84, 1529670), (90, 1427692), (105, 1223736), (120, 1070769), (126, 1019780), (140, 917802), (168, 764835), (180, 713846), (210, 611868), (252, 509890), (280, 458901), (315, 407912), (360, 356923), (420, 305934), (504, 254945), (630, 203956), (840, 152967), (1260, 101978), (2520, 50989)]