81020400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:759

約数の個数: 120

約数和(自身を含む): 262376064

約数和(自身を除く): 181355664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 107, 120, 150, 200, 214, 240, 300, 321, 400, 428, 535, 600, 631, 642, 856, 1070, 1200, 1262, 1284, 1605, 1712, 1893, 2140, 2524, 2568, 2675, 3155, 3210, 3786, 4280, 5048, 5136, 5350, 6310, 6420, 7572, 8025, 8560, 9465, 10096, 10700, 12620, 12840, 15144, 15775, 16050, 18930, 21400, 25240, 25680, 30288, 31550, 32100, 37860, 42800, 47325, 50480, 63100, 64200, 67517, 75720, 94650, 126200, 128400, 135034, 151440, 189300, 202551, 252400, 270068, 337585, 378600, 405102, 540136, 675170, 757200, 810204, 1012755, 1080272, 1350340, 1620408, 1687925, 2025510, 2700680, 3240816, 3375850, 4051020, 5063775, 5401360, 6751700, 8102040, 10127550, 13503400, 16204080, 20255100, 27006800, 40510200, 81020400]

約数ペア:

[(1, 81020400), (2, 40510200), (3, 27006800), (4, 20255100), (5, 16204080), (6, 13503400), (8, 10127550), (10, 8102040), (12, 6751700), (15, 5401360), (16, 5063775), (20, 4051020), (24, 3375850), (25, 3240816), (30, 2700680), (40, 2025510), (48, 1687925), (50, 1620408), (60, 1350340), (75, 1080272), (80, 1012755), (100, 810204), (107, 757200), (120, 675170), (150, 540136), (200, 405102), (214, 378600), (240, 337585), (300, 270068), (321, 252400), (400, 202551), (428, 189300), (535, 151440), (600, 135034), (631, 128400), (642, 126200), (856, 94650), (1070, 75720), (1200, 67517), (1262, 64200), (1284, 63100), (1605, 50480), (1712, 47325), (1893, 42800), (2140, 37860), (2524, 32100), (2568, 31550), (2675, 30288), (3155, 25680), (3210, 25240), (3786, 21400), (4280, 18930), (5048, 16050), (5136, 15775), (5350, 15144), (6310, 12840), (6420, 12620), (7572, 10700), (8025, 10096), (8560, 9465)]