121768000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 112

約数和(自身を含む): 311920128

約数和(自身を除く): 190152128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 320, 400, 491, 496, 500, 620, 775, 800, 982, 992, 1000, 1240, 1550, 1600, 1964, 1984, 2000, 2455, 2480, 3100, 3875, 3928, 4000, 4910, 4960, 6200, 7750, 7856, 8000, 9820, 9920, 12275, 12400, 15221, 15500, 15712, 19640, 24550, 24800, 30442, 31000, 31424, 39280, 49100, 49600, 60884, 61375, 62000, 76105, 78560, 98200, 121768, 122750, 124000, 152210, 157120, 196400, 243536, 245500, 248000, 304420, 380525, 392800, 487072, 491000, 608840, 761050, 785600, 974144, 982000, 1217680, 1522100, 1902625, 1964000, 2435360, 3044200, 3805250, 3928000, 4870720, 6088400, 7610500, 12176800, 15221000, 24353600, 30442000, 60884000, 121768000]

約数ペア:

[(1, 121768000), (2, 60884000), (4, 30442000), (5, 24353600), (8, 15221000), (10, 12176800), (16, 7610500), (20, 6088400), (25, 4870720), (31, 3928000), (32, 3805250), (40, 3044200), (50, 2435360), (62, 1964000), (64, 1902625), (80, 1522100), (100, 1217680), (124, 982000), (125, 974144), (155, 785600), (160, 761050), (200, 608840), (248, 491000), (250, 487072), (310, 392800), (320, 380525), (400, 304420), (491, 248000), (496, 245500), (500, 243536), (620, 196400), (775, 157120), (800, 152210), (982, 124000), (992, 122750), (1000, 121768), (1240, 98200), (1550, 78560), (1600, 76105), (1964, 62000), (1984, 61375), (2000, 60884), (2455, 49600), (2480, 49100), (3100, 39280), (3875, 31424), (3928, 31000), (4000, 30442), (4910, 24800), (4960, 24550), (6200, 19640), (7750, 15712), (7856, 15500), (8000, 15221), (9820, 12400), (9920, 12275)]