28644008120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{25303}}^1$

素因数の和:25645

約数の個数: 128

約数和(自身を含む): 79580067840

約数和(自身を除く): 50936059720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 311, 364, 455, 520, 622, 728, 910, 1244, 1555, 1820, 2177, 2488, 3110, 3640, 4043, 4354, 6220, 8086, 8708, 10885, 12440, 16172, 17416, 20215, 21770, 25303, 28301, 32344, 40430, 43540, 50606, 56602, 80860, 87080, 101212, 113204, 126515, 141505, 161720, 177121, 202424, 226408, 253030, 283010, 328939, 354242, 506060, 566020, 657878, 708484, 885605, 1012120, 1132040, 1315756, 1416968, 1644695, 1771210, 2302573, 2631512, 3289390, 3542420, 4605146, 6578780, 7084840, 7869233, 9210292, 11512865, 13157560, 15738466, 18420584, 23025730, 31476932, 39346165, 46051460, 55084631, 62953864, 78692330, 92102920, 102300029, 110169262, 157384660, 204600058, 220338524, 275423155, 314769320, 409200116, 440677048, 511500145, 550846310, 716100203, 818400232, 1023000290, 1101692620, 1432200406, 2046000580, 2203385240, 2864400812, 3580501015, 4092001160, 5728801624, 7161002030, 14322004060, 28644008120]

約数ペア:

[(1, 28644008120), (2, 14322004060), (4, 7161002030), (5, 5728801624), (7, 4092001160), (8, 3580501015), (10, 2864400812), (13, 2203385240), (14, 2046000580), (20, 1432200406), (26, 1101692620), (28, 1023000290), (35, 818400232), (40, 716100203), (52, 550846310), (56, 511500145), (65, 440677048), (70, 409200116), (91, 314769320), (104, 275423155), (130, 220338524), (140, 204600058), (182, 157384660), (260, 110169262), (280, 102300029), (311, 92102920), (364, 78692330), (455, 62953864), (520, 55084631), (622, 46051460), (728, 39346165), (910, 31476932), (1244, 23025730), (1555, 18420584), (1820, 15738466), (2177, 13157560), (2488, 11512865), (3110, 9210292), (3640, 7869233), (4043, 7084840), (4354, 6578780), (6220, 4605146), (8086, 3542420), (8708, 3289390), (10885, 2631512), (12440, 2302573), (16172, 1771210), (17416, 1644695), (20215, 1416968), (21770, 1315756), (25303, 1132040), (28301, 1012120), (32344, 885605), (40430, 708484), (43540, 657878), (50606, 566020), (56602, 506060), (80860, 354242), (87080, 328939), (101212, 283010), (113204, 253030), (126515, 226408), (141505, 202424), (161720, 177121)]