1229502720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13921}}^1$

素因数の和:13968

約数の個数: 144

約数和(自身を含む): 4097745792

約数和(自身を除く): 2868243072

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, 920, 960, 1104, 1280, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 3840, 4416, 5520, 5888, 7360, 8832, 11040, 13921, 14720, 17664, 22080, 27842, 29440, 41763, 44160, 55684, 69605, 83526, 88320, 111368, 139210, 167052, 208815, 222736, 278420, 320183, 334104, 417630, 445472, 556840, 640366, 668208, 835260, 890944, 960549, 1113680, 1280732, 1336416, 1600915, 1670520, 1781888, 1921098, 2227360, 2561464, 2672832, 3201830, 3341040, 3563776, 3842196, 4454720, 4802745, 5122928, 5345664, 6403660, 6682080, 7684392, 8909440, 9605490, 10245856, 10691328, 12807320, 13364160, 15368784, 17818880, 19210980, 20491712, 25614640, 26728320, 30737568, 38421960, 40983424, 51229280, 53456640, 61475136, 76843920, 81966848, 102458560, 122950272, 153687840, 204917120, 245900544, 307375680, 409834240, 614751360, 1229502720]

約数ペア:

[(1, 1229502720), (2, 614751360), (3, 409834240), (4, 307375680), (5, 245900544), (6, 204917120), (8, 153687840), (10, 122950272), (12, 102458560), (15, 81966848), (16, 76843920), (20, 61475136), (23, 53456640), (24, 51229280), (30, 40983424), (32, 38421960), (40, 30737568), (46, 26728320), (48, 25614640), (60, 20491712), (64, 19210980), (69, 17818880), (80, 15368784), (92, 13364160), (96, 12807320), (115, 10691328), (120, 10245856), (128, 9605490), (138, 8909440), (160, 7684392), (184, 6682080), (192, 6403660), (230, 5345664), (240, 5122928), (256, 4802745), (276, 4454720), (320, 3842196), (345, 3563776), (368, 3341040), (384, 3201830), (460, 2672832), (480, 2561464), (552, 2227360), (640, 1921098), (690, 1781888), (736, 1670520), (768, 1600915), (920, 1336416), (960, 1280732), (1104, 1113680), (1280, 960549), (1380, 890944), (1472, 835260), (1840, 668208), (1920, 640366), (2208, 556840), (2760, 445472), (2944, 417630), (3680, 334104), (3840, 320183), (4416, 278420), (5520, 222736), (5888, 208815), (7360, 167052), (8832, 139210), (11040, 111368), (13921, 88320), (14720, 83526), (17664, 69605), (22080, 55684), (27842, 44160), (29440, 41763)]