243536000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 626296320

約数和(自身を除く): 382760320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 491, 496, 500, 620, 640, 775, 800, 982, 992, 1000, 1240, 1550, 1600, 1964, 1984, 2000, 2455, 2480, 3100, 3200, 3875, 3928, 3968, 4000, 4910, 4960, 6200, 7750, 7856, 8000, 9820, 9920, 12275, 12400, 15221, 15500, 15712, 16000, 19640, 19840, 24550, 24800, 30442, 31000, 31424, 39280, 49100, 49600, 60884, 61375, 62000, 62848, 76105, 78560, 98200, 99200, 121768, 122750, 124000, 152210, 157120, 196400, 243536, 245500, 248000, 304420, 314240, 380525, 392800, 487072, 491000, 496000, 608840, 761050, 785600, 974144, 982000, 1217680, 1522100, 1571200, 1902625, 1948288, 1964000, 2435360, 3044200, 3805250, 3928000, 4870720, 6088400, 7610500, 7856000, 9741440, 12176800, 15221000, 24353600, 30442000, 48707200, 60884000, 121768000, 243536000]

約数ペア:

[(1, 243536000), (2, 121768000), (4, 60884000), (5, 48707200), (8, 30442000), (10, 24353600), (16, 15221000), (20, 12176800), (25, 9741440), (31, 7856000), (32, 7610500), (40, 6088400), (50, 4870720), (62, 3928000), (64, 3805250), (80, 3044200), (100, 2435360), (124, 1964000), (125, 1948288), (128, 1902625), (155, 1571200), (160, 1522100), (200, 1217680), (248, 982000), (250, 974144), (310, 785600), (320, 761050), (400, 608840), (491, 496000), (496, 491000), (500, 487072), (620, 392800), (640, 380525), (775, 314240), (800, 304420), (982, 248000), (992, 245500), (1000, 243536), (1240, 196400), (1550, 157120), (1600, 152210), (1964, 124000), (1984, 122750), (2000, 121768), (2455, 99200), (2480, 98200), (3100, 78560), (3200, 76105), (3875, 62848), (3928, 62000), (3968, 61375), (4000, 60884), (4910, 49600), (4960, 49100), (6200, 39280), (7750, 31424), (7856, 31000), (8000, 30442), (9820, 24800), (9920, 24550), (12275, 19840), (12400, 19640), (15221, 16000), (15500, 15712)]