243754240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6143}}^1$

素因数の和:6195

約数の個数: 72

約数和(自身を含む): 602800128

約数和(自身を除く): 359045888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 6143, 7936, 9920, 12286, 19840, 24572, 30715, 39680, 49144, 61430, 98288, 122860, 190433, 196576, 245720, 380866, 393152, 491440, 761732, 786304, 952165, 982880, 1523464, 1572608, 1904330, 1965760, 3046928, 3808660, 3931520, 6093856, 7617320, 7863040, 12187712, 15234640, 24375424, 30469280, 48750848, 60938560, 121877120, 243754240]

約数ペア:

[(1, 243754240), (2, 121877120), (4, 60938560), (5, 48750848), (8, 30469280), (10, 24375424), (16, 15234640), (20, 12187712), (31, 7863040), (32, 7617320), (40, 6093856), (62, 3931520), (64, 3808660), (80, 3046928), (124, 1965760), (128, 1904330), (155, 1572608), (160, 1523464), (248, 982880), (256, 952165), (310, 786304), (320, 761732), (496, 491440), (620, 393152), (640, 380866), (992, 245720), (1240, 196576), (1280, 190433), (1984, 122860), (2480, 98288), (3968, 61430), (4960, 49144), (6143, 39680), (7936, 30715), (9920, 24572), (12286, 19840)]