140642280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{390673}}^1$

素因数の和:390690

約数の個数: 48

約数和(自身を含む): 457088580

約数和(自身を除く): 316446300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 390673, 781346, 1172019, 1562692, 1953365, 2344038, 3125384, 3516057, 3906730, 4688076, 5860095, 7032114, 7813460, 9376152, 11720190, 14064228, 15626920, 17580285, 23440380, 28128456, 35160570, 46880760, 70321140, 140642280]

約数ペア:

[(1, 140642280), (2, 70321140), (3, 46880760), (4, 35160570), (5, 28128456), (6, 23440380), (8, 17580285), (9, 15626920), (10, 14064228), (12, 11720190), (15, 9376152), (18, 7813460), (20, 7032114), (24, 5860095), (30, 4688076), (36, 3906730), (40, 3516057), (45, 3125384), (60, 2344038), (72, 1953365), (90, 1562692), (120, 1172019), (180, 781346), (360, 390673)]