77456640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 258427008

約数和(自身を除く): 180970368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 877, 920, 960, 1104, 1280, 1380, 1472, 1754, 1840, 1920, 2208, 2631, 2760, 2944, 3508, 3680, 3840, 4385, 4416, 5262, 5520, 5888, 7016, 7360, 8770, 8832, 10524, 11040, 13155, 14032, 14720, 17540, 17664, 20171, 21048, 22080, 26310, 28064, 29440, 35080, 40342, 42096, 44160, 52620, 56128, 60513, 70160, 80684, 84192, 88320, 100855, 105240, 112256, 121026, 140320, 161368, 168384, 201710, 210480, 224512, 242052, 280640, 302565, 322736, 336768, 403420, 420960, 484104, 561280, 605130, 645472, 673536, 806840, 841920, 968208, 1122560, 1210260, 1290944, 1613680, 1683840, 1936416, 2420520, 2581888, 3227360, 3367680, 3872832, 4841040, 5163776, 6454720, 7745664, 9682080, 12909440, 15491328, 19364160, 25818880, 38728320, 77456640]

約数ペア:

[(1, 77456640), (2, 38728320), (3, 25818880), (4, 19364160), (5, 15491328), (6, 12909440), (8, 9682080), (10, 7745664), (12, 6454720), (15, 5163776), (16, 4841040), (20, 3872832), (23, 3367680), (24, 3227360), (30, 2581888), (32, 2420520), (40, 1936416), (46, 1683840), (48, 1613680), (60, 1290944), (64, 1210260), (69, 1122560), (80, 968208), (92, 841920), (96, 806840), (115, 673536), (120, 645472), (128, 605130), (138, 561280), (160, 484104), (184, 420960), (192, 403420), (230, 336768), (240, 322736), (256, 302565), (276, 280640), (320, 242052), (345, 224512), (368, 210480), (384, 201710), (460, 168384), (480, 161368), (552, 140320), (640, 121026), (690, 112256), (736, 105240), (768, 100855), (877, 88320), (920, 84192), (960, 80684), (1104, 70160), (1280, 60513), (1380, 56128), (1472, 52620), (1754, 44160), (1840, 42096), (1920, 40342), (2208, 35080), (2631, 29440), (2760, 28064), (2944, 26310), (3508, 22080), (3680, 21048), (3840, 20171), (4385, 17664), (4416, 17540), (5262, 14720), (5520, 14032), (5888, 13155), (7016, 11040), (7360, 10524), (8770, 8832)]