1561597440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15641}}^1$

素因数の和:15680

約数の個数: 160

約数和(自身を含む): 5376593376

約数和(自身を除く): 3814995936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 3120, 3328, 3840, 4160, 4992, 6240, 6656, 7680, 8320, 9984, 12480, 15641, 16640, 19968, 24960, 31282, 33280, 46923, 49920, 62564, 78205, 93846, 99840, 125128, 156410, 187692, 203333, 234615, 250256, 312820, 375384, 406666, 469230, 500512, 609999, 625640, 750768, 813332, 938460, 1001024, 1016665, 1219998, 1251280, 1501536, 1626664, 1876920, 2002048, 2033330, 2439996, 2502560, 3003072, 3049995, 3253328, 3753840, 4004096, 4066660, 4879992, 5005120, 6006144, 6099990, 6506656, 7507680, 8008192, 8133320, 9759984, 10010240, 12012288, 12199980, 13013312, 15015360, 16266640, 19519968, 20020480, 24024576, 24399960, 26026624, 30030720, 32533280, 39039936, 40040960, 48799920, 52053248, 60061440, 65066560, 78079872, 97599840, 104106496, 120122880, 130133120, 156159744, 195199680, 260266240, 312319488, 390399360, 520532480, 780798720, 1561597440]

約数ペア:

[(1, 1561597440), (2, 780798720), (3, 520532480), (4, 390399360), (5, 312319488), (6, 260266240), (8, 195199680), (10, 156159744), (12, 130133120), (13, 120122880), (15, 104106496), (16, 97599840), (20, 78079872), (24, 65066560), (26, 60061440), (30, 52053248), (32, 48799920), (39, 40040960), (40, 39039936), (48, 32533280), (52, 30030720), (60, 26026624), (64, 24399960), (65, 24024576), (78, 20020480), (80, 19519968), (96, 16266640), (104, 15015360), (120, 13013312), (128, 12199980), (130, 12012288), (156, 10010240), (160, 9759984), (192, 8133320), (195, 8008192), (208, 7507680), (240, 6506656), (256, 6099990), (260, 6006144), (312, 5005120), (320, 4879992), (384, 4066660), (390, 4004096), (416, 3753840), (480, 3253328), (512, 3049995), (520, 3003072), (624, 2502560), (640, 2439996), (768, 2033330), (780, 2002048), (832, 1876920), (960, 1626664), (1040, 1501536), (1248, 1251280), (1280, 1219998), (1536, 1016665), (1560, 1001024), (1664, 938460), (1920, 813332), (2080, 750768), (2496, 625640), (2560, 609999), (3120, 500512), (3328, 469230), (3840, 406666), (4160, 375384), (4992, 312820), (6240, 250256), (6656, 234615), (7680, 203333), (8320, 187692), (9984, 156410), (12480, 125128), (15641, 99840), (16640, 93846), (19968, 78205), (24960, 62564), (31282, 49920), (33280, 46923)]