280820904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1911

約数の個数: 128

約数和(自身を含む): 876718080

約数和(自身を除く): 595897176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 142, 156, 168, 182, 213, 273, 284, 312, 364, 426, 497, 546, 568, 728, 852, 923, 994, 1092, 1491, 1704, 1811, 1846, 1988, 2184, 2769, 2982, 3622, 3692, 3976, 5433, 5538, 5964, 6461, 7244, 7384, 10866, 11076, 11928, 12677, 12922, 14488, 19383, 21732, 22152, 23543, 25354, 25844, 38031, 38766, 43464, 47086, 50708, 51688, 70629, 76062, 77532, 94172, 101416, 128581, 141258, 152124, 155064, 164801, 188344, 257162, 282516, 304248, 329602, 385743, 494403, 514324, 565032, 659204, 771486, 900067, 988806, 1028648, 1318408, 1542972, 1671553, 1800134, 1977612, 2700201, 3085944, 3343106, 3600268, 3955224, 5014659, 5400402, 6686212, 7200536, 10029318, 10800804, 11700871, 13372424, 20058636, 21601608, 23401742, 35102613, 40117272, 46803484, 70205226, 93606968, 140410452, 280820904]

約数ペア:

[(1, 280820904), (2, 140410452), (3, 93606968), (4, 70205226), (6, 46803484), (7, 40117272), (8, 35102613), (12, 23401742), (13, 21601608), (14, 20058636), (21, 13372424), (24, 11700871), (26, 10800804), (28, 10029318), (39, 7200536), (42, 6686212), (52, 5400402), (56, 5014659), (71, 3955224), (78, 3600268), (84, 3343106), (91, 3085944), (104, 2700201), (142, 1977612), (156, 1800134), (168, 1671553), (182, 1542972), (213, 1318408), (273, 1028648), (284, 988806), (312, 900067), (364, 771486), (426, 659204), (497, 565032), (546, 514324), (568, 494403), (728, 385743), (852, 329602), (923, 304248), (994, 282516), (1092, 257162), (1491, 188344), (1704, 164801), (1811, 155064), (1846, 152124), (1988, 141258), (2184, 128581), (2769, 101416), (2982, 94172), (3622, 77532), (3692, 76062), (3976, 70629), (5433, 51688), (5538, 50708), (5964, 47086), (6461, 43464), (7244, 38766), (7384, 38031), (10866, 25844), (11076, 25354), (11928, 23543), (12677, 22152), (12922, 21732), (14488, 19383)]