491272080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1559}}^1$

素因数の和:1689

約数の個数: 160

約数和(自身を含む): 1657393920

約数和(自身を除く): 1166121840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 101, 104, 120, 130, 156, 195, 202, 208, 240, 260, 303, 312, 390, 404, 505, 520, 606, 624, 780, 808, 1010, 1040, 1212, 1313, 1515, 1559, 1560, 1616, 2020, 2424, 2626, 3030, 3118, 3120, 3939, 4040, 4677, 4848, 5252, 6060, 6236, 6565, 7795, 7878, 8080, 9354, 10504, 12120, 12472, 13130, 15590, 15756, 18708, 19695, 20267, 21008, 23385, 24240, 24944, 26260, 31180, 31512, 37416, 39390, 40534, 46770, 52520, 60801, 62360, 63024, 74832, 78780, 81068, 93540, 101335, 105040, 121602, 124720, 157459, 157560, 162136, 187080, 202670, 243204, 304005, 314918, 315120, 324272, 374160, 405340, 472377, 486408, 608010, 629836, 787295, 810680, 944754, 972816, 1216020, 1259672, 1574590, 1621360, 1889508, 2046967, 2361885, 2432040, 2519344, 3149180, 3779016, 4093934, 4723770, 4864080, 6140901, 6298360, 7558032, 8187868, 9447540, 10234835, 12281802, 12596720, 16375736, 18895080, 20469670, 24563604, 30704505, 32751472, 37790160, 40939340, 49127208, 61409010, 81878680, 98254416, 122818020, 163757360, 245636040, 491272080]

約数ペア:

[(1, 491272080), (2, 245636040), (3, 163757360), (4, 122818020), (5, 98254416), (6, 81878680), (8, 61409010), (10, 49127208), (12, 40939340), (13, 37790160), (15, 32751472), (16, 30704505), (20, 24563604), (24, 20469670), (26, 18895080), (30, 16375736), (39, 12596720), (40, 12281802), (48, 10234835), (52, 9447540), (60, 8187868), (65, 7558032), (78, 6298360), (80, 6140901), (101, 4864080), (104, 4723770), (120, 4093934), (130, 3779016), (156, 3149180), (195, 2519344), (202, 2432040), (208, 2361885), (240, 2046967), (260, 1889508), (303, 1621360), (312, 1574590), (390, 1259672), (404, 1216020), (505, 972816), (520, 944754), (606, 810680), (624, 787295), (780, 629836), (808, 608010), (1010, 486408), (1040, 472377), (1212, 405340), (1313, 374160), (1515, 324272), (1559, 315120), (1560, 314918), (1616, 304005), (2020, 243204), (2424, 202670), (2626, 187080), (3030, 162136), (3118, 157560), (3120, 157459), (3939, 124720), (4040, 121602), (4677, 105040), (4848, 101335), (5252, 93540), (6060, 81068), (6236, 78780), (6565, 74832), (7795, 63024), (7878, 62360), (8080, 60801), (9354, 52520), (10504, 46770), (12120, 40534), (12472, 39390), (13130, 37416), (15590, 31512), (15756, 31180), (18708, 26260), (19695, 24944), (20267, 24240), (21008, 23385)]