655168488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1519

約数の個数: 128

約数和(自身を含む): 1881600000

約数和(自身を除く): 1226431512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 79, 104, 114, 152, 156, 158, 228, 237, 247, 312, 316, 456, 474, 494, 632, 741, 948, 988, 1027, 1399, 1482, 1501, 1896, 1976, 2054, 2798, 2964, 3002, 3081, 4108, 4197, 4503, 5596, 5928, 6004, 6162, 8216, 8394, 9006, 11192, 12008, 12324, 16788, 18012, 18187, 19513, 24648, 26581, 33576, 36024, 36374, 39026, 53162, 54561, 58539, 72748, 78052, 79743, 106324, 109122, 110521, 117078, 145496, 156104, 159486, 212648, 218244, 221042, 234156, 318972, 331563, 345553, 436488, 442084, 468312, 637944, 663126, 691106, 884168, 1036659, 1326252, 1382212, 1436773, 2073318, 2099899, 2652504, 2764424, 2873546, 4146636, 4199798, 4310319, 5747092, 6299697, 8293272, 8399596, 8620638, 11494184, 12599394, 16799192, 17241276, 25198788, 27298687, 34482552, 50397576, 54597374, 81896061, 109194748, 163792122, 218389496, 327584244, 655168488]

約数ペア:

[(1, 655168488), (2, 327584244), (3, 218389496), (4, 163792122), (6, 109194748), (8, 81896061), (12, 54597374), (13, 50397576), (19, 34482552), (24, 27298687), (26, 25198788), (38, 17241276), (39, 16799192), (52, 12599394), (57, 11494184), (76, 8620638), (78, 8399596), (79, 8293272), (104, 6299697), (114, 5747092), (152, 4310319), (156, 4199798), (158, 4146636), (228, 2873546), (237, 2764424), (247, 2652504), (312, 2099899), (316, 2073318), (456, 1436773), (474, 1382212), (494, 1326252), (632, 1036659), (741, 884168), (948, 691106), (988, 663126), (1027, 637944), (1399, 468312), (1482, 442084), (1501, 436488), (1896, 345553), (1976, 331563), (2054, 318972), (2798, 234156), (2964, 221042), (3002, 218244), (3081, 212648), (4108, 159486), (4197, 156104), (4503, 145496), (5596, 117078), (5928, 110521), (6004, 109122), (6162, 106324), (8216, 79743), (8394, 78052), (9006, 72748), (11192, 58539), (12008, 54561), (12324, 53162), (16788, 39026), (18012, 36374), (18187, 36024), (19513, 33576), (24648, 26581)]