1555893760

素因数分解:

$2^9\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4079}}^1$

素因数の和:4251

約数の個数: 80

約数和(自身を含む): 3756456000

約数和(自身を除く): 2200562240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 512, 596, 640, 745, 1192, 1280, 1490, 2384, 2560, 2980, 4079, 4768, 5960, 8158, 9536, 11920, 16316, 19072, 20395, 23840, 32632, 38144, 40790, 47680, 65264, 76288, 81580, 95360, 130528, 163160, 190720, 261056, 326320, 381440, 522112, 607771, 652640, 1044224, 1215542, 1305280, 2088448, 2431084, 2610560, 3038855, 4862168, 5221120, 6077710, 9724336, 10442240, 12155420, 19448672, 24310840, 38897344, 48621680, 77794688, 97243360, 155589376, 194486720, 311178752, 388973440, 777946880, 1555893760]

約数ペア:

[(1, 1555893760), (2, 777946880), (4, 388973440), (5, 311178752), (8, 194486720), (10, 155589376), (16, 97243360), (20, 77794688), (32, 48621680), (40, 38897344), (64, 24310840), (80, 19448672), (128, 12155420), (149, 10442240), (160, 9724336), (256, 6077710), (298, 5221120), (320, 4862168), (512, 3038855), (596, 2610560), (640, 2431084), (745, 2088448), (1192, 1305280), (1280, 1215542), (1490, 1044224), (2384, 652640), (2560, 607771), (2980, 522112), (4079, 381440), (4768, 326320), (5960, 261056), (8158, 190720), (9536, 163160), (11920, 130528), (16316, 95360), (19072, 81580), (20395, 76288), (23840, 65264), (32632, 47680), (38144, 40790)]