1581891000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{9949}}^1$

素因数の和:10026

約数の個数: 128

約数和(自身を含む): 5029128000

約数和(自身を除く): 3447237000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 125, 150, 159, 200, 212, 250, 265, 300, 318, 375, 424, 500, 530, 600, 636, 750, 795, 1000, 1060, 1272, 1325, 1500, 1590, 2120, 2650, 3000, 3180, 3975, 5300, 6360, 6625, 7950, 9949, 10600, 13250, 15900, 19875, 19898, 26500, 29847, 31800, 39750, 39796, 49745, 53000, 59694, 79500, 79592, 99490, 119388, 149235, 159000, 198980, 238776, 248725, 298470, 397960, 497450, 527297, 596940, 746175, 994900, 1054594, 1193880, 1243625, 1492350, 1581891, 1989800, 2109188, 2487250, 2636485, 2984700, 3163782, 3730875, 4218376, 4974500, 5272970, 5969400, 6327564, 7461750, 7909455, 9949000, 10545940, 12655128, 13182425, 14923500, 15818910, 21091880, 26364850, 29847000, 31637820, 39547275, 52729700, 63275640, 65912125, 79094550, 105459400, 131824250, 158189100, 197736375, 263648500, 316378200, 395472750, 527297000, 790945500, 1581891000]

約数ペア:

[(1, 1581891000), (2, 790945500), (3, 527297000), (4, 395472750), (5, 316378200), (6, 263648500), (8, 197736375), (10, 158189100), (12, 131824250), (15, 105459400), (20, 79094550), (24, 65912125), (25, 63275640), (30, 52729700), (40, 39547275), (50, 31637820), (53, 29847000), (60, 26364850), (75, 21091880), (100, 15818910), (106, 14923500), (120, 13182425), (125, 12655128), (150, 10545940), (159, 9949000), (200, 7909455), (212, 7461750), (250, 6327564), (265, 5969400), (300, 5272970), (318, 4974500), (375, 4218376), (424, 3730875), (500, 3163782), (530, 2984700), (600, 2636485), (636, 2487250), (750, 2109188), (795, 1989800), (1000, 1581891), (1060, 1492350), (1272, 1243625), (1325, 1193880), (1500, 1054594), (1590, 994900), (2120, 746175), (2650, 596940), (3000, 527297), (3180, 497450), (3975, 397960), (5300, 298470), (6360, 248725), (6625, 238776), (7950, 198980), (9949, 159000), (10600, 149235), (13250, 119388), (15900, 99490), (19875, 79592), (19898, 79500), (26500, 59694), (29847, 53000), (31800, 49745), (39750, 39796)]