1638212160

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131267}}^1$

素因数の和:131300

約数の個数: 112

約数和(自身を含む): 5601468096

約数和(自身を除く): 3963255936

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, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 131267, 262534, 393801, 525068, 656335, 787602, 1050136, 1312670, 1575204, 1706471, 1969005, 2100272, 2625340, 3150408, 3412942, 3938010, 4200544, 5119413, 5250680, 6300816, 6825884, 7876020, 8401088, 8532355, 10238826, 10501360, 12601632, 13651768, 15752040, 17064710, 20477652, 21002720, 25203264, 25597065, 27303536, 31504080, 34129420, 40955304, 42005440, 51194130, 54607072, 63008160, 68258840, 81910608, 102388260, 109214144, 126016320, 136517680, 163821216, 204776520, 273035360, 327642432, 409553040, 546070720, 819106080, 1638212160]

約数ペア:

[(1, 1638212160), (2, 819106080), (3, 546070720), (4, 409553040), (5, 327642432), (6, 273035360), (8, 204776520), (10, 163821216), (12, 136517680), (13, 126016320), (15, 109214144), (16, 102388260), (20, 81910608), (24, 68258840), (26, 63008160), (30, 54607072), (32, 51194130), (39, 42005440), (40, 40955304), (48, 34129420), (52, 31504080), (60, 27303536), (64, 25597065), (65, 25203264), (78, 21002720), (80, 20477652), (96, 17064710), (104, 15752040), (120, 13651768), (130, 12601632), (156, 10501360), (160, 10238826), (192, 8532355), (195, 8401088), (208, 7876020), (240, 6825884), (260, 6300816), (312, 5250680), (320, 5119413), (390, 4200544), (416, 3938010), (480, 3412942), (520, 3150408), (624, 2625340), (780, 2100272), (832, 1969005), (960, 1706471), (1040, 1575204), (1248, 1312670), (1560, 1050136), (2080, 787602), (2496, 656335), (3120, 525068), (4160, 393801), (6240, 262534), (12480, 131267)]