280179540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 898228800

約数和(自身を除く): 618049260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 379, 444, 540, 555, 666, 740, 758, 999, 1110, 1137, 1332, 1369, 1516, 1665, 1895, 1998, 2220, 2274, 2738, 3330, 3411, 3790, 3996, 4107, 4548, 4995, 5476, 5685, 6660, 6822, 6845, 7580, 8214, 9990, 10233, 11370, 12321, 13644, 13690, 14023, 16428, 17055, 19980, 20466, 20535, 22740, 24642, 27380, 28046, 34110, 36963, 40932, 41070, 42069, 49284, 51165, 56092, 61605, 68220, 70115, 73926, 82140, 84138, 102330, 123210, 126207, 140230, 147852, 168276, 184815, 204660, 210345, 246420, 252414, 280460, 369630, 378621, 420690, 504828, 518851, 631035, 739260, 757242, 841380, 1037702, 1262070, 1514484, 1556553, 1893105, 2075404, 2524140, 2594255, 3113106, 3786210, 4669659, 5188510, 6226212, 7572420, 7782765, 9339318, 10377020, 14008977, 15565530, 18678636, 23348295, 28017954, 31131060, 46696590, 56035908, 70044885, 93393180, 140089770, 280179540]

約数ペア:

[(1, 280179540), (2, 140089770), (3, 93393180), (4, 70044885), (5, 56035908), (6, 46696590), (9, 31131060), (10, 28017954), (12, 23348295), (15, 18678636), (18, 15565530), (20, 14008977), (27, 10377020), (30, 9339318), (36, 7782765), (37, 7572420), (45, 6226212), (54, 5188510), (60, 4669659), (74, 3786210), (90, 3113106), (108, 2594255), (111, 2524140), (135, 2075404), (148, 1893105), (180, 1556553), (185, 1514484), (222, 1262070), (270, 1037702), (333, 841380), (370, 757242), (379, 739260), (444, 631035), (540, 518851), (555, 504828), (666, 420690), (740, 378621), (758, 369630), (999, 280460), (1110, 252414), (1137, 246420), (1332, 210345), (1369, 204660), (1516, 184815), (1665, 168276), (1895, 147852), (1998, 140230), (2220, 126207), (2274, 123210), (2738, 102330), (3330, 84138), (3411, 82140), (3790, 73926), (3996, 70115), (4107, 68220), (4548, 61605), (4995, 56092), (5476, 51165), (5685, 49284), (6660, 42069), (6822, 41070), (6845, 40932), (7580, 36963), (8214, 34110), (9990, 28046), (10233, 27380), (11370, 24642), (12321, 22740), (13644, 20535), (13690, 20466), (14023, 19980), (16428, 17055)]