1638863460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2663}}^1$

素因数の和:2954

約数の個数: 144

約数和(自身を含む): 5375994624

約数和(自身を除く): 3737131164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 263, 390, 468, 526, 585, 780, 789, 1052, 1170, 1315, 1578, 2340, 2367, 2630, 2663, 3156, 3419, 3945, 4734, 5260, 5326, 6838, 7890, 7989, 9468, 10257, 10652, 11835, 13315, 13676, 15780, 15978, 17095, 20514, 23670, 23967, 26630, 30771, 31956, 34190, 34619, 39945, 41028, 47340, 47934, 51285, 53260, 61542, 68380, 69238, 79890, 95868, 102570, 103857, 119835, 123084, 138476, 153855, 159780, 173095, 205140, 207714, 239670, 307710, 311571, 346190, 415428, 479340, 519285, 615420, 623142, 692380, 700369, 1038570, 1246284, 1400738, 1557855, 2077140, 2101107, 2801476, 3115710, 3501845, 4202214, 6231420, 6303321, 7003690, 8404428, 9104797, 10505535, 12606642, 14007380, 18209594, 21011070, 25213284, 27314391, 31516605, 36419188, 42022140, 45523985, 54628782, 63033210, 81943173, 91047970, 109257564, 126066420, 136571955, 163886346, 182095940, 273143910, 327772692, 409715865, 546287820, 819431730, 1638863460]

約数ペア:

[(1, 1638863460), (2, 819431730), (3, 546287820), (4, 409715865), (5, 327772692), (6, 273143910), (9, 182095940), (10, 163886346), (12, 136571955), (13, 126066420), (15, 109257564), (18, 91047970), (20, 81943173), (26, 63033210), (30, 54628782), (36, 45523985), (39, 42022140), (45, 36419188), (52, 31516605), (60, 27314391), (65, 25213284), (78, 21011070), (90, 18209594), (117, 14007380), (130, 12606642), (156, 10505535), (180, 9104797), (195, 8404428), (234, 7003690), (260, 6303321), (263, 6231420), (390, 4202214), (468, 3501845), (526, 3115710), (585, 2801476), (780, 2101107), (789, 2077140), (1052, 1557855), (1170, 1400738), (1315, 1246284), (1578, 1038570), (2340, 700369), (2367, 692380), (2630, 623142), (2663, 615420), (3156, 519285), (3419, 479340), (3945, 415428), (4734, 346190), (5260, 311571), (5326, 307710), (6838, 239670), (7890, 207714), (7989, 205140), (9468, 173095), (10257, 159780), (10652, 153855), (11835, 138476), (13315, 123084), (13676, 119835), (15780, 103857), (15978, 102570), (17095, 95868), (20514, 79890), (23670, 69238), (23967, 68380), (26630, 61542), (30771, 53260), (31956, 51285), (34190, 47934), (34619, 47340), (39945, 41028)]