8336640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 28844928

約数和(自身を除く): 20508288

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, 167, 192, 195, 208, 240, 256, 260, 312, 320, 334, 384, 390, 416, 480, 501, 520, 624, 640, 668, 768, 780, 832, 835, 960, 1002, 1040, 1248, 1280, 1336, 1560, 1664, 1670, 1920, 2004, 2080, 2171, 2496, 2505, 2672, 3120, 3328, 3340, 3840, 4008, 4160, 4342, 4992, 5010, 5344, 6240, 6513, 6680, 8016, 8320, 8684, 9984, 10020, 10688, 10855, 12480, 13026, 13360, 16032, 16640, 17368, 20040, 21376, 21710, 24960, 26052, 26720, 32064, 32565, 34736, 40080, 42752, 43420, 49920, 52104, 53440, 64128, 65130, 69472, 80160, 86840, 104208, 106880, 128256, 130260, 138944, 160320, 173680, 208416, 213760, 260520, 277888, 320640, 347360, 416832, 521040, 555776, 641280, 694720, 833664, 1042080, 1389440, 1667328, 2084160, 2778880, 4168320, 8336640]

約数ペア:

[(1, 8336640), (2, 4168320), (3, 2778880), (4, 2084160), (5, 1667328), (6, 1389440), (8, 1042080), (10, 833664), (12, 694720), (13, 641280), (15, 555776), (16, 521040), (20, 416832), (24, 347360), (26, 320640), (30, 277888), (32, 260520), (39, 213760), (40, 208416), (48, 173680), (52, 160320), (60, 138944), (64, 130260), (65, 128256), (78, 106880), (80, 104208), (96, 86840), (104, 80160), (120, 69472), (128, 65130), (130, 64128), (156, 53440), (160, 52104), (167, 49920), (192, 43420), (195, 42752), (208, 40080), (240, 34736), (256, 32565), (260, 32064), (312, 26720), (320, 26052), (334, 24960), (384, 21710), (390, 21376), (416, 20040), (480, 17368), (501, 16640), (520, 16032), (624, 13360), (640, 13026), (668, 12480), (768, 10855), (780, 10688), (832, 10020), (835, 9984), (960, 8684), (1002, 8320), (1040, 8016), (1248, 6680), (1280, 6513), (1336, 6240), (1560, 5344), (1664, 5010), (1670, 4992), (1920, 4342), (2004, 4160), (2080, 4008), (2171, 3840), (2496, 3340), (2505, 3328), (2672, 3120)]